Finding the Third Proportional to 721,282 and 1,122,748

Step by Step Solution

1. Step 1: Write the proportion equation
   721,282 : 1,122,748 = 1,122,748 : x
2. Step 2: Convert to fraction form
   721,282/1,122,748 = 1,122,748/x
3. Step 3: Cross multiply
   721,282x = 1,122,748 × 1,122,748
4. Step 4: Simplify right side
   721,282x = 1,260,563,071,504
5. Step 5: Solve for x
   x = 1,260,563,071,504/721,282
6. Step 6: Final answer
   x = 1,747,670.22