Finding the Third Proportional to 31,843.13 and 69,222.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,843.13 : 69,222.09 = 69,222.09 : x
2. Step 2: Convert to fraction form
   31,843.13/69,222.09 = 69,222.09/x
3. Step 3: Cross multiply
   31,843.13x = 69,222.09 × 69,222.09
4. Step 4: Simplify right side
   31,843.13x = 4,791,698,263.13
5. Step 5: Solve for x
   x = 4,791,698,263.13/31,843.13
6. Step 6: Final answer
   x = 150,478.27