Finding the Third Proportional to 342,031.50 and 749,733

Step by Step Solution

1. Step 1: Write the proportion equation
   342,031.50 : 749,733 = 749,733 : x
2. Step 2: Convert to fraction form
   342,031.50/749,733 = 749,733/x
3. Step 3: Cross multiply
   342,031.50x = 749,733 × 749,733
4. Step 4: Simplify right side
   342,031.50x = 562,099,571,289
5. Step 5: Solve for x
   x = 562,099,571,289/342,031.50
6. Step 6: Final answer
   x = 1,643,414.63