Finding the Third Proportional to 61,725.80 and 83,838.80

Step by Step Solution

1. Step 1: Write the proportion equation
   61,725.80 : 83,838.80 = 83,838.80 : x
2. Step 2: Convert to fraction form
   61,725.80/83,838.80 = 83,838.80/x
3. Step 3: Cross multiply
   61,725.80x = 83,838.80 × 83,838.80
4. Step 4: Simplify right side
   61,725.80x = 7,028,943,861.45
5. Step 5: Solve for x
   x = 7,028,943,861.45/61,725.80
6. Step 6: Final answer
   x = 113,873.68