Finding the Third Proportional to 56,838.75 and 86,046.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,838.75 : 86,046.75 = 86,046.75 : x
2. Step 2: Convert to fraction form
   56,838.75/86,046.75 = 86,046.75/x
3. Step 3: Cross multiply
   56,838.75x = 86,046.75 × 86,046.75
4. Step 4: Simplify right side
   56,838.75x = 7,404,043,185.56
5. Step 5: Solve for x
   x = 7,404,043,185.56/56,838.75
6. Step 6: Final answer
   x = 130,264.00