Finding the Third Proportional to 3,628,507,699,478 and 7,774,572,472,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628,507,699,478 : 7,774,572,472,672 = 7,774,572,472,672 : x
2. Step 2: Convert to fraction form
   3,628,507,699,478/7,774,572,472,672 = 7,774,572,472,672/x
3. Step 3: Cross multiply
   3,628,507,699,478x = 7,774,572,472,672 × 7,774,572,472,672
4. Step 4: Simplify right side
   3,628,507,699,478x = 60,443,977,132,829,217,426,243,584
5. Step 5: Solve for x
   x = 60,443,977,132,829,217,426,243,584/3,628,507,699,478
6. Step 6: Final answer
   x = 16,658,081,541,765.71