Finding the Third Proportional to 4,620,461 and 7,182,672

Step by Step Solution

1. Step 1: Write the proportion equation
   4,620,461 : 7,182,672 = 7,182,672 : x
2. Step 2: Convert to fraction form
   4,620,461/7,182,672 = 7,182,672/x
3. Step 3: Cross multiply
   4,620,461x = 7,182,672 × 7,182,672
4. Step 4: Simplify right side
   4,620,461x = 51,590,777,059,584
5. Step 5: Solve for x
   x = 51,590,777,059,584/4,620,461
6. Step 6: Final answer
   x = 11,165,720.71