Finding the Third Proportional to 42,244.50 and 65,790.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,244.50 : 65,790.75 = 65,790.75 : x
2. Step 2: Convert to fraction form
   42,244.50/65,790.75 = 65,790.75/x
3. Step 3: Cross multiply
   42,244.50x = 65,790.75 × 65,790.75
4. Step 4: Simplify right side
   42,244.50x = 4,328,422,785.56
5. Step 5: Solve for x
   x = 4,328,422,785.56/42,244.50
6. Step 6: Final answer
   x = 102,461.21