Finding the Third Proportional to 159,912 and 344,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,912 : 344,434.50 = 344,434.50 : x
2. Step 2: Convert to fraction form
   159,912/344,434.50 = 344,434.50/x
3. Step 3: Cross multiply
   159,912x = 344,434.50 × 344,434.50
4. Step 4: Simplify right side
   159,912x = 118,635,124,790.25
5. Step 5: Solve for x
   x = 118,635,124,790.25/159,912
6. Step 6: Final answer
   x = 741,877.56