Finding the Third Proportional to 56,445 and 124,500

Step by Step Solution

1. Step 1: Write the proportion equation
   56,445 : 124,500 = 124,500 : x
2. Step 2: Convert to fraction form
   56,445/124,500 = 124,500/x
3. Step 3: Cross multiply
   56,445x = 124,500 × 124,500
4. Step 4: Simplify right side
   56,445x = 15,500,250,000
5. Step 5: Solve for x
   x = 15,500,250,000/56,445
6. Step 6: Final answer
   x = 274,608.03