Finding the Third Proportional to 56,571 and 83,137.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,571 : 83,137.50 = 83,137.50 : x
2. Step 2: Convert to fraction form
   56,571/83,137.50 = 83,137.50/x
3. Step 3: Cross multiply
   56,571x = 83,137.50 × 83,137.50
4. Step 4: Simplify right side
   56,571x = 6,911,843,906.25
5. Step 5: Solve for x
   x = 6,911,843,906.25/56,571
6. Step 6: Final answer
   x = 122,179.98