Finding the Third Proportional to 42,214.50 and 69,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,214.50 : 69,025.50 = 69,025.50 : x
2. Step 2: Convert to fraction form
   42,214.50/69,025.50 = 69,025.50/x
3. Step 3: Cross multiply
   42,214.50x = 69,025.50 × 69,025.50
4. Step 4: Simplify right side
   42,214.50x = 4,764,519,650.25
5. Step 5: Solve for x
   x = 4,764,519,650.25/42,214.50
6. Step 6: Final answer
   x = 112,864.53