Finding the Third Proportional to 56,614 and 72,609

Step by Step Solution

1. Step 1: Write the proportion equation
   56,614 : 72,609 = 72,609 : x
2. Step 2: Convert to fraction form
   56,614/72,609 = 72,609/x
3. Step 3: Cross multiply
   56,614x = 72,609 × 72,609
4. Step 4: Simplify right side
   56,614x = 5,272,066,881
5. Step 5: Solve for x
   x = 5,272,066,881/56,614
6. Step 6: Final answer
   x = 93,123.02