Finding the Third Proportional to 31,803.38 and 69,074.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,803.38 : 69,074.25 = 69,074.25 : x
2. Step 2: Convert to fraction form
   31,803.38/69,074.25 = 69,074.25/x
3. Step 3: Cross multiply
   31,803.38x = 69,074.25 × 69,074.25
4. Step 4: Simplify right side
   31,803.38x = 4,771,252,013.06
5. Step 5: Solve for x
   x = 4,771,252,013.06/31,803.38
6. Step 6: Final answer
   x = 150,023.45