Finding the Third Proportional to 414,315 and 627,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,315 : 627,073.50 = 627,073.50 : x
2. Step 2: Convert to fraction form
   414,315/627,073.50 = 627,073.50/x
3. Step 3: Cross multiply
   414,315x = 627,073.50 × 627,073.50
4. Step 4: Simplify right side
   414,315x = 393,221,174,402.25
5. Step 5: Solve for x
   x = 393,221,174,402.25/414,315
6. Step 6: Final answer
   x = 949,087.47