Finding the Third Proportional to 61,333.50 and 89,980.88

Step by Step Solution

1. Step 1: Write the proportion equation
   61,333.50 : 89,980.88 = 89,980.88 : x
2. Step 2: Convert to fraction form
   61,333.50/89,980.88 = 89,980.88/x
3. Step 3: Cross multiply
   61,333.50x = 89,980.88 × 89,980.88
4. Step 4: Simplify right side
   61,333.50x = 8,096,557,865.77
5. Step 5: Solve for x
   x = 8,096,557,865.77/61,333.50
6. Step 6: Final answer
   x = 132,008.74