Finding the Third Proportional to 31,476.09 and 72,488.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,476.09 : 72,488.04 = 72,488.04 : x
2. Step 2: Convert to fraction form
   31,476.09/72,488.04 = 72,488.04/x
3. Step 3: Cross multiply
   31,476.09x = 72,488.04 × 72,488.04
4. Step 4: Simplify right side
   31,476.09x = 5,254,515,807.13
5. Step 5: Solve for x
   x = 5,254,515,807.13/31,476.09
6. Step 6: Final answer
   x = 166,936.72