Finding the Third Proportional to 413,242.50 and 626,103

Step by Step Solution

1. Step 1: Write the proportion equation
   413,242.50 : 626,103 = 626,103 : x
2. Step 2: Convert to fraction form
   413,242.50/626,103 = 626,103/x
3. Step 3: Cross multiply
   413,242.50x = 626,103 × 626,103
4. Step 4: Simplify right side
   413,242.50x = 392,004,966,609
5. Step 5: Solve for x
   x = 392,004,966,609/413,242.50
6. Step 6: Final answer
   x = 948,607.58