Finding the Third Proportional to 412,959 and 625,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   412,959 : 625,153.50 = 625,153.50 : x
2. Step 2: Convert to fraction form
   412,959/625,153.50 = 625,153.50/x
3. Step 3: Cross multiply
   412,959x = 625,153.50 × 625,153.50
4. Step 4: Simplify right side
   412,959x = 390,816,898,562.25
5. Step 5: Solve for x
   x = 390,816,898,562.25/412,959
6. Step 6: Final answer
   x = 946,381.84