Finding the Third Proportional to 34,308.56 and 72,358.95

Step by Step Solution

1. Step 1: Write the proportion equation
   34,308.56 : 72,358.95 = 72,358.95 : x
2. Step 2: Convert to fraction form
   34,308.56/72,358.95 = 72,358.95/x
3. Step 3: Cross multiply
   34,308.56x = 72,358.95 × 72,358.95
4. Step 4: Simplify right side
   34,308.56x = 5,235,816,966.74
5. Step 5: Solve for x
   x = 5,235,816,966.74/34,308.56
6. Step 6: Final answer
   x = 152,609.63