Finding the Third Proportional to 56,604 and 76,600

Step by Step Solution

1. Step 1: Write the proportion equation
   56,604 : 76,600 = 76,600 : x
2. Step 2: Convert to fraction form
   56,604/76,600 = 76,600/x
3. Step 3: Cross multiply
   56,604x = 76,600 × 76,600
4. Step 4: Simplify right side
   56,604x = 5,867,560,000
5. Step 5: Solve for x
   x = 5,867,560,000/56,604
6. Step 6: Final answer
   x = 103,659.81