Finding the Third Proportional to 59,484 and 87,240

Step by Step Solution

1. Step 1: Write the proportion equation
   59,484 : 87,240 = 87,240 : x
2. Step 2: Convert to fraction form
   59,484/87,240 = 87,240/x
3. Step 3: Cross multiply
   59,484x = 87,240 × 87,240
4. Step 4: Simplify right side
   59,484x = 7,610,817,600
5. Step 5: Solve for x
   x = 7,610,817,600/59,484
6. Step 6: Final answer
   x = 127,947.31