Finding the Third Proportional to 225,962.16 and 309,843.98

Step by Step Solution

1. Step 1: Write the proportion equation
   225,962.16 : 309,843.98 = 309,843.98 : x
2. Step 2: Convert to fraction form
   225,962.16/309,843.98 = 309,843.98/x
3. Step 3: Cross multiply
   225,962.16x = 309,843.98 × 309,843.98
4. Step 4: Simplify right side
   225,962.16x = 96,003,294,653.38
5. Step 5: Solve for x
   x = 96,003,294,653.38/225,962.16
6. Step 6: Final answer
   x = 424,864.48