Finding the Third Proportional to 334,946 and 728,068

Step by Step Solution

1. Step 1: Write the proportion equation
   334,946 : 728,068 = 728,068 : x
2. Step 2: Convert to fraction form
   334,946/728,068 = 728,068/x
3. Step 3: Cross multiply
   334,946x = 728,068 × 728,068
4. Step 4: Simplify right side
   334,946x = 530,083,012,624
5. Step 5: Solve for x
   x = 530,083,012,624/334,946
6. Step 6: Final answer
   x = 1,582,592.46