Finding the Third Proportional to 72,117 and 98,940

Step by Step Solution

1. Step 1: Write the proportion equation
   72,117 : 98,940 = 98,940 : x
2. Step 2: Convert to fraction form
   72,117/98,940 = 98,940/x
3. Step 3: Cross multiply
   72,117x = 98,940 × 98,940
4. Step 4: Simplify right side
   72,117x = 9,789,123,600
5. Step 5: Solve for x
   x = 9,789,123,600/72,117
6. Step 6: Final answer
   x = 135,739.47