Finding the Third Proportional to 57,480 and 88,788

Step by Step Solution

1. Step 1: Write the proportion equation
   57,480 : 88,788 = 88,788 : x
2. Step 2: Convert to fraction form
   57,480/88,788 = 88,788/x
3. Step 3: Cross multiply
   57,480x = 88,788 × 88,788
4. Step 4: Simplify right side
   57,480x = 7,883,308,944
5. Step 5: Solve for x
   x = 7,883,308,944/57,480
6. Step 6: Final answer
   x = 137,148.73