Finding the Third Proportional to 59,071.78 and 88,402.64

Step by Step Solution

1. Step 1: Write the proportion equation
   59,071.78 : 88,402.64 = 88,402.64 : x
2. Step 2: Convert to fraction form
   59,071.78/88,402.64 = 88,402.64/x
3. Step 3: Cross multiply
   59,071.78x = 88,402.64 × 88,402.64
4. Step 4: Simplify right side
   59,071.78x = 7,815,026,869.47
5. Step 5: Solve for x
   x = 7,815,026,869.47/59,071.78
6. Step 6: Final answer
   x = 132,297.13