Finding the Third Proportional to 20,692.13 and 31,039.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,692.13 : 31,039.88 = 31,039.88 : x
2. Step 2: Convert to fraction form
   20,692.13/31,039.88 = 31,039.88/x
3. Step 3: Cross multiply
   20,692.13x = 31,039.88 × 31,039.88
4. Step 4: Simplify right side
   20,692.13x = 963,473,840.02
5. Step 5: Solve for x
   x = 963,473,840.02/20,692.13
6. Step 6: Final answer
   x = 46,562.34