Finding the Third Proportional to 342,706 and 740,900

Step by Step Solution

1. Step 1: Write the proportion equation
   342,706 : 740,900 = 740,900 : x
2. Step 2: Convert to fraction form
   342,706/740,900 = 740,900/x
3. Step 3: Cross multiply
   342,706x = 740,900 × 740,900
4. Step 4: Simplify right side
   342,706x = 548,932,810,000
5. Step 5: Solve for x
   x = 548,932,810,000/342,706
6. Step 6: Final answer
   x = 1,601,760.14