Finding the Third Proportional to 69,380.30 and 151,290.28

Step by Step Solution

1. Step 1: Write the proportion equation
   69,380.30 : 151,290.28 = 151,290.28 : x
2. Step 2: Convert to fraction form
   69,380.30/151,290.28 = 151,290.28/x
3. Step 3: Cross multiply
   69,380.30x = 151,290.28 × 151,290.28
4. Step 4: Simplify right side
   69,380.30x = 22,888,749,200.70
5. Step 5: Solve for x
   x = 22,888,749,200.70/69,380.30
6. Step 6: Final answer
   x = 329,902.73