Finding the Third Proportional to 37,513.13 and 54,781.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,513.13 : 54,781.31 = 54,781.31 : x
2. Step 2: Convert to fraction form
   37,513.13/54,781.31 = 54,781.31/x
3. Step 3: Cross multiply
   37,513.13x = 54,781.31 × 54,781.31
4. Step 4: Simplify right side
   37,513.13x = 3,000,992,199.22
5. Step 5: Solve for x
   x = 3,000,992,199.22/37,513.13
6. Step 6: Final answer
   x = 79,998.46