Finding the Third Proportional to 67,050.38 and 139,612.13

Step by Step Solution

1. Step 1: Write the proportion equation
   67,050.38 : 139,612.13 = 139,612.13 : x
2. Step 2: Convert to fraction form
   67,050.38/139,612.13 = 139,612.13/x
3. Step 3: Cross multiply
   67,050.38x = 139,612.13 × 139,612.13
4. Step 4: Simplify right side
   67,050.38x = 19,491,545,447.02
5. Step 5: Solve for x
   x = 19,491,545,447.02/67,050.38
6. Step 6: Final answer
   x = 290,700.02