Finding the Third Proportional to 59,220 and 87,928

Step by Step Solution

1. Step 1: Write the proportion equation
   59,220 : 87,928 = 87,928 : x
2. Step 2: Convert to fraction form
   59,220/87,928 = 87,928/x
3. Step 3: Cross multiply
   59,220x = 87,928 × 87,928
4. Step 4: Simplify right side
   59,220x = 7,731,333,184
5. Step 5: Solve for x
   x = 7,731,333,184/59,220
6. Step 6: Final answer
   x = 130,552.74