Finding the Third Proportional to 42,703.50 and 65,088

Step by Step Solution

1. Step 1: Write the proportion equation
   42,703.50 : 65,088 = 65,088 : x
2. Step 2: Convert to fraction form
   42,703.50/65,088 = 65,088/x
3. Step 3: Cross multiply
   42,703.50x = 65,088 × 65,088
4. Step 4: Simplify right side
   42,703.50x = 4,236,447,744
5. Step 5: Solve for x
   x = 4,236,447,744/42,703.50
6. Step 6: Final answer
   x = 99,206.10