Finding the Third Proportional to 56,900.25 and 81,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,900.25 : 81,961.50 = 81,961.50 : x
2. Step 2: Convert to fraction form
   56,900.25/81,961.50 = 81,961.50/x
3. Step 3: Cross multiply
   56,900.25x = 81,961.50 × 81,961.50
4. Step 4: Simplify right side
   56,900.25x = 6,717,687,482.25
5. Step 5: Solve for x
   x = 6,717,687,482.25/56,900.25
6. Step 6: Final answer
   x = 118,060.77