Finding the Third Proportional to 61,242.75 and 79,228.13

Step by Step Solution

1. Step 1: Write the proportion equation
   61,242.75 : 79,228.13 = 79,228.13 : x
2. Step 2: Convert to fraction form
   61,242.75/79,228.13 = 79,228.13/x
3. Step 3: Cross multiply
   61,242.75x = 79,228.13 × 79,228.13
4. Step 4: Simplify right side
   61,242.75x = 6,277,095,791.02
5. Step 5: Solve for x
   x = 6,277,095,791.02/61,242.75
6. Step 6: Final answer
   x = 102,495.33