Finding the Third Proportional to 38,988.75 and 55,564.13

Step by Step Solution

1. Step 1: Write the proportion equation
   38,988.75 : 55,564.13 = 55,564.13 : x
2. Step 2: Convert to fraction form
   38,988.75/55,564.13 = 55,564.13/x
3. Step 3: Cross multiply
   38,988.75x = 55,564.13 × 55,564.13
4. Step 4: Simplify right side
   38,988.75x = 3,087,371,987.02
5. Step 5: Solve for x
   x = 3,087,371,987.02/38,988.75
6. Step 6: Final answer
   x = 79,186.23