Finding the Third Proportional to 56,410.50 and 120,597

Step by Step Solution

1. Step 1: Write the proportion equation
   56,410.50 : 120,597 = 120,597 : x
2. Step 2: Convert to fraction form
   56,410.50/120,597 = 120,597/x
3. Step 3: Cross multiply
   56,410.50x = 120,597 × 120,597
4. Step 4: Simplify right side
   56,410.50x = 14,543,636,409
5. Step 5: Solve for x
   x = 14,543,636,409/56,410.50
6. Step 6: Final answer
   x = 257,817.90