Finding the Third Proportional to 72,240 and 98,424

Step by Step Solution

1. Step 1: Write the proportion equation
   72,240 : 98,424 = 98,424 : x
2. Step 2: Convert to fraction form
   72,240/98,424 = 98,424/x
3. Step 3: Cross multiply
   72,240x = 98,424 × 98,424
4. Step 4: Simplify right side
   72,240x = 9,687,283,776
5. Step 5: Solve for x
   x = 9,687,283,776/72,240
6. Step 6: Final answer
   x = 134,098.61