Finding the Third Proportional to 56,498.50 and 83,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,498.50 : 83,019.50 = 83,019.50 : x
2. Step 2: Convert to fraction form
   56,498.50/83,019.50 = 83,019.50/x
3. Step 3: Cross multiply
   56,498.50x = 83,019.50 × 83,019.50
4. Step 4: Simplify right side
   56,498.50x = 6,892,237,380.25
5. Step 5: Solve for x
   x = 6,892,237,380.25/56,498.50
6. Step 6: Final answer
   x = 121,989.74