Finding the Third Proportional to 58,259.25 and 85,461.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,259.25 : 85,461.75 = 85,461.75 : x
2. Step 2: Convert to fraction form
   58,259.25/85,461.75 = 85,461.75/x
3. Step 3: Cross multiply
   58,259.25x = 85,461.75 × 85,461.75
4. Step 4: Simplify right side
   58,259.25x = 7,303,710,713.06
5. Step 5: Solve for x
   x = 7,303,710,713.06/58,259.25
6. Step 6: Final answer
   x = 125,365.68