Finding the Third Proportional to 88,641.75 and 133,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,641.75 : 133,030.50 = 133,030.50 : x
2. Step 2: Convert to fraction form
   88,641.75/133,030.50 = 133,030.50/x
3. Step 3: Cross multiply
   88,641.75x = 133,030.50 × 133,030.50
4. Step 4: Simplify right side
   88,641.75x = 17,697,113,930.25
5. Step 5: Solve for x
   x = 17,697,113,930.25/88,641.75
6. Step 6: Final answer
   x = 199,647.61