Finding the Third Proportional to 5,732,888 and 8,287,320

Step by Step Solution

1. Step 1: Write the proportion equation
   5,732,888 : 8,287,320 = 8,287,320 : x
2. Step 2: Convert to fraction form
   5,732,888/8,287,320 = 8,287,320/x
3. Step 3: Cross multiply
   5,732,888x = 8,287,320 × 8,287,320
4. Step 4: Simplify right side
   5,732,888x = 68,679,672,782,400
5. Step 5: Solve for x
   x = 68,679,672,782,400/5,732,888
6. Step 6: Final answer
   x = 11,979,943.23