Finding the Third Proportional to 58,688 and 88,040

Step by Step Solution

1. Step 1: Write the proportion equation
   58,688 : 88,040 = 88,040 : x
2. Step 2: Convert to fraction form
   58,688/88,040 = 88,040/x
3. Step 3: Cross multiply
   58,688x = 88,040 × 88,040
4. Step 4: Simplify right side
   58,688x = 7,751,041,600
5. Step 5: Solve for x
   x = 7,751,041,600/58,688
6. Step 6: Final answer
   x = 132,072.00