Finding the Third Proportional to 58,889 and 88,657.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,889 : 88,657.50 = 88,657.50 : x
2. Step 2: Convert to fraction form
   58,889/88,657.50 = 88,657.50/x
3. Step 3: Cross multiply
   58,889x = 88,657.50 × 88,657.50
4. Step 4: Simplify right side
   58,889x = 7,860,152,306.25
5. Step 5: Solve for x
   x = 7,860,152,306.25/58,889
6. Step 6: Final answer
   x = 133,474.03