Finding the Third Proportional to 215,061.75 and 374,662.13

Step by Step Solution

1. Step 1: Write the proportion equation
   215,061.75 : 374,662.13 = 374,662.13 : x
2. Step 2: Convert to fraction form
   215,061.75/374,662.13 = 374,662.13/x
3. Step 3: Cross multiply
   215,061.75x = 374,662.13 × 374,662.13
4. Step 4: Simplify right side
   215,061.75x = 140,371,707,909.52
5. Step 5: Solve for x
   x = 140,371,707,909.52/215,061.75
6. Step 6: Final answer
   x = 652,704.20