Finding the Third Proportional to 32,490.75 and 69,816.38

Step by Step Solution

1. Step 1: Write the proportion equation
   32,490.75 : 69,816.38 = 69,816.38 : x
2. Step 2: Convert to fraction form
   32,490.75/69,816.38 = 69,816.38/x
3. Step 3: Cross multiply
   32,490.75x = 69,816.38 × 69,816.38
4. Step 4: Simplify right side
   32,490.75x = 4,874,326,218.14
5. Step 5: Solve for x
   x = 4,874,326,218.14/32,490.75
6. Step 6: Final answer
   x = 150,021.97