Finding the Third Proportional to 61,778.25 and 83,905.88

Step by Step Solution

1. Step 1: Write the proportion equation
   61,778.25 : 83,905.88 = 83,905.88 : x
2. Step 2: Convert to fraction form
   61,778.25/83,905.88 = 83,905.88/x
3. Step 3: Cross multiply
   61,778.25x = 83,905.88 × 83,905.88
4. Step 4: Simplify right side
   61,778.25x = 7,040,195,859.52
5. Step 5: Solve for x
   x = 7,040,195,859.52/61,778.25
6. Step 6: Final answer
   x = 113,959.13