Finding the Third Proportional to 42,713.13 and 65,123.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,713.13 : 65,123.25 = 65,123.25 : x
2. Step 2: Convert to fraction form
   42,713.13/65,123.25 = 65,123.25/x
3. Step 3: Cross multiply
   42,713.13x = 65,123.25 × 65,123.25
4. Step 4: Simplify right side
   42,713.13x = 4,241,037,690.56
5. Step 5: Solve for x
   x = 4,241,037,690.56/42,713.13
6. Step 6: Final answer
   x = 99,291.21