Finding the Third Proportional to 157,743 and 344,031.75

Step by Step Solution

1. Step 1: Write the proportion equation
   157,743 : 344,031.75 = 344,031.75 : x
2. Step 2: Convert to fraction form
   157,743/344,031.75 = 344,031.75/x
3. Step 3: Cross multiply
   157,743x = 344,031.75 × 344,031.75
4. Step 4: Simplify right side
   157,743x = 118,357,845,008.06
5. Step 5: Solve for x
   x = 118,357,845,008.06/157,743
6. Step 6: Final answer
   x = 750,320.74