Finding the Third Proportional to 144,438 and 347,939.25

Step by Step Solution

1. Step 1: Write the proportion equation
   144,438 : 347,939.25 = 347,939.25 : x
2. Step 2: Convert to fraction form
   144,438/347,939.25 = 347,939.25/x
3. Step 3: Cross multiply
   144,438x = 347,939.25 × 347,939.25
4. Step 4: Simplify right side
   144,438x = 121,061,721,690.56
5. Step 5: Solve for x
   x = 121,061,721,690.56/144,438
6. Step 6: Final answer
   x = 838,157.01