Finding the Third Proportional to 42,956.50 and 65,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,956.50 : 65,710.50 = 65,710.50 : x
2. Step 2: Convert to fraction form
   42,956.50/65,710.50 = 65,710.50/x
3. Step 3: Cross multiply
   42,956.50x = 65,710.50 × 65,710.50
4. Step 4: Simplify right side
   42,956.50x = 4,317,869,810.25
5. Step 5: Solve for x
   x = 4,317,869,810.25/42,956.50
6. Step 6: Final answer
   x = 100,517.26