Finding the Third Proportional to 56,059 and 78,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,059 : 78,499.50 = 78,499.50 : x
2. Step 2: Convert to fraction form
   56,059/78,499.50 = 78,499.50/x
3. Step 3: Cross multiply
   56,059x = 78,499.50 × 78,499.50
4. Step 4: Simplify right side
   56,059x = 6,162,171,500.25
5. Step 5: Solve for x
   x = 6,162,171,500.25/56,059
6. Step 6: Final answer
   x = 109,922.97