Finding the Third Proportional to 42,839.25 and 64,006.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,839.25 : 64,006.88 = 64,006.88 : x
2. Step 2: Convert to fraction form
   42,839.25/64,006.88 = 64,006.88/x
3. Step 3: Cross multiply
   42,839.25x = 64,006.88 × 64,006.88
4. Step 4: Simplify right side
   42,839.25x = 4,096,880,047.27
5. Step 5: Solve for x
   x = 4,096,880,047.27/42,839.25
6. Step 6: Final answer
   x = 95,633.79