Finding the Third Proportional to 137,713.50 and 291,951

Step by Step Solution

1. Step 1: Write the proportion equation
   137,713.50 : 291,951 = 291,951 : x
2. Step 2: Convert to fraction form
   137,713.50/291,951 = 291,951/x
3. Step 3: Cross multiply
   137,713.50x = 291,951 × 291,951
4. Step 4: Simplify right side
   137,713.50x = 85,235,386,401
5. Step 5: Solve for x
   x = 85,235,386,401/137,713.50
6. Step 6: Final answer
   x = 618,932.69