Finding the Third Proportional to 34,418.67 and 72,966.45

Step by Step Solution

1. Step 1: Write the proportion equation
   34,418.67 : 72,966.45 = 72,966.45 : x
2. Step 2: Convert to fraction form
   34,418.67/72,966.45 = 72,966.45/x
3. Step 3: Cross multiply
   34,418.67x = 72,966.45 × 72,966.45
4. Step 4: Simplify right side
   34,418.67x = 5,324,102,141.54
5. Step 5: Solve for x
   x = 5,324,102,141.54/34,418.67
6. Step 6: Final answer
   x = 154,686.45