Finding the Third Proportional to 88,788 and 124,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,788 : 124,897.50 = 124,897.50 : x
2. Step 2: Convert to fraction form
   88,788/124,897.50 = 124,897.50/x
3. Step 3: Cross multiply
   88,788x = 124,897.50 × 124,897.50
4. Step 4: Simplify right side
   88,788x = 15,599,385,506.25
5. Step 5: Solve for x
   x = 15,599,385,506.25/88,788
6. Step 6: Final answer
   x = 175,692.50