Finding the Third Proportional to 140,940 and 215,875.13

Step by Step Solution

1. Step 1: Write the proportion equation
   140,940 : 215,875.13 = 215,875.13 : x
2. Step 2: Convert to fraction form
   140,940/215,875.13 = 215,875.13/x
3. Step 3: Cross multiply
   140,940x = 215,875.13 × 215,875.13
4. Step 4: Simplify right side
   140,940x = 46,602,069,593.77
5. Step 5: Solve for x
   x = 46,602,069,593.77/140,940
6. Step 6: Final answer
   x = 330,651.83