Finding the Third Proportional to 58,698 and 88,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,698 : 88,870.50 = 88,870.50 : x
2. Step 2: Convert to fraction form
   58,698/88,870.50 = 88,870.50/x
3. Step 3: Cross multiply
   58,698x = 88,870.50 × 88,870.50
4. Step 4: Simplify right side
   58,698x = 7,897,965,770.25
5. Step 5: Solve for x
   x = 7,897,965,770.25/58,698
6. Step 6: Final answer
   x = 134,552.55