Finding the Third Proportional to 31,898.25 and 69,843.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,898.25 : 69,843.38 = 69,843.38 : x
2. Step 2: Convert to fraction form
   31,898.25/69,843.38 = 69,843.38/x
3. Step 3: Cross multiply
   31,898.25x = 69,843.38 × 69,843.38
4. Step 4: Simplify right side
   31,898.25x = 4,878,097,031.39
5. Step 5: Solve for x
   x = 4,878,097,031.39/31,898.25
6. Step 6: Final answer
   x = 152,926.79