Finding the Third Proportional to 415,068 and 625,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   415,068 : 625,501.50 = 625,501.50 : x
2. Step 2: Convert to fraction form
   415,068/625,501.50 = 625,501.50/x
3. Step 3: Cross multiply
   415,068x = 625,501.50 × 625,501.50
4. Step 4: Simplify right side
   415,068x = 391,252,126,502.25
5. Step 5: Solve for x
   x = 391,252,126,502.25/415,068
6. Step 6: Final answer
   x = 942,621.75