Finding the Third Proportional to 3,706,533 and 8,121,654

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706,533 : 8,121,654 = 8,121,654 : x
2. Step 2: Convert to fraction form
   3,706,533/8,121,654 = 8,121,654/x
3. Step 3: Cross multiply
   3,706,533x = 8,121,654 × 8,121,654
4. Step 4: Simplify right side
   3,706,533x = 65,961,263,695,716
5. Step 5: Solve for x
   x = 65,961,263,695,716/3,706,533
6. Step 6: Final answer
   x = 17,795,946.70