Finding the Third Proportional to 60,870.38 and 132,811.88

Step by Step Solution

1. Step 1: Write the proportion equation
   60,870.38 : 132,811.88 = 132,811.88 : x
2. Step 2: Convert to fraction form
   60,870.38/132,811.88 = 132,811.88/x
3. Step 3: Cross multiply
   60,870.38x = 132,811.88 × 132,811.88
4. Step 4: Simplify right side
   60,870.38x = 17,638,994,141.02
5. Step 5: Solve for x
   x = 17,638,994,141.02/60,870.38
6. Step 6: Final answer
   x = 289,779.62