Finding the Third Proportional to 346,468.50 and 740,814

Step by Step Solution

1. Step 1: Write the proportion equation
   346,468.50 : 740,814 = 740,814 : x
2. Step 2: Convert to fraction form
   346,468.50/740,814 = 740,814/x
3. Step 3: Cross multiply
   346,468.50x = 740,814 × 740,814
4. Step 4: Simplify right side
   346,468.50x = 548,805,382,596
5. Step 5: Solve for x
   x = 548,805,382,596/346,468.50
6. Step 6: Final answer
   x = 1,583,997.92