Finding the Third Proportional to 157,516.50 and 345,651

Step by Step Solution

1. Step 1: Write the proportion equation
   157,516.50 : 345,651 = 345,651 : x
2. Step 2: Convert to fraction form
   157,516.50/345,651 = 345,651/x
3. Step 3: Cross multiply
   157,516.50x = 345,651 × 345,651
4. Step 4: Simplify right side
   157,516.50x = 119,474,613,801
5. Step 5: Solve for x
   x = 119,474,613,801/157,516.50
6. Step 6: Final answer
   x = 758,489.52