Finding the Third Proportional to 676,662 and 1,487,280

Step by Step Solution

1. Step 1: Write the proportion equation
   676,662 : 1,487,280 = 1,487,280 : x
2. Step 2: Convert to fraction form
   676,662/1,487,280 = 1,487,280/x
3. Step 3: Cross multiply
   676,662x = 1,487,280 × 1,487,280
4. Step 4: Simplify right side
   676,662x = 2,212,001,798,400
5. Step 5: Solve for x
   x = 2,212,001,798,400/676,662
6. Step 6: Final answer
   x = 3,268,990.72