Finding the Third Proportional to 58,102.03 and 89,780.41

Step by Step Solution

1. Step 1: Write the proportion equation
   58,102.03 : 89,780.41 = 89,780.41 : x
2. Step 2: Convert to fraction form
   58,102.03/89,780.41 = 89,780.41/x
3. Step 3: Cross multiply
   58,102.03x = 89,780.41 × 89,780.41
4. Step 4: Simplify right side
   58,102.03x = 8,060,522,243.73
5. Step 5: Solve for x
   x = 8,060,522,243.73/58,102.03
6. Step 6: Final answer
   x = 138,730.47