Finding the Third Proportional to 316,002.52 and 691,124.27

Step by Step Solution

1. Step 1: Write the proportion equation
   316,002.52 : 691,124.27 = 691,124.27 : x
2. Step 2: Convert to fraction form
   316,002.52/691,124.27 = 691,124.27/x
3. Step 3: Cross multiply
   316,002.52x = 691,124.27 × 691,124.27
4. Step 4: Simplify right side
   316,002.52x = 477,652,761,334.51
5. Step 5: Solve for x
   x = 477,652,761,334.51/316,002.52
6. Step 6: Final answer
   x = 1,511,547.34