Finding the Third Proportional to 12,331.13 and 28,820.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,331.13 : 28,820.25 = 28,820.25 : x
2. Step 2: Convert to fraction form
   12,331.13/28,820.25 = 28,820.25/x
3. Step 3: Cross multiply
   12,331.13x = 28,820.25 × 28,820.25
4. Step 4: Simplify right side
   12,331.13x = 830,606,810.06
5. Step 5: Solve for x
   x = 830,606,810.06/12,331.13
6. Step 6: Final answer
   x = 67,358.56