Finding the Third Proportional to 31,692.52 and 42,688.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,692.52 : 42,688.27 = 42,688.27 : x
2. Step 2: Convert to fraction form
   31,692.52/42,688.27 = 42,688.27/x
3. Step 3: Cross multiply
   31,692.52x = 42,688.27 × 42,688.27
4. Step 4: Simplify right side
   31,692.52x = 1,822,288,022.07
5. Step 5: Solve for x
   x = 1,822,288,022.07/31,692.52
6. Step 6: Final answer
   x = 57,499.00