Finding the Third Proportional to 705,280 and 1,550,510

Step by Step Solution

1. Step 1: Write the proportion equation
   705,280 : 1,550,510 = 1,550,510 : x
2. Step 2: Convert to fraction form
   705,280/1,550,510 = 1,550,510/x
3. Step 3: Cross multiply
   705,280x = 1,550,510 × 1,550,510
4. Step 4: Simplify right side
   705,280x = 2,404,081,260,100
5. Step 5: Solve for x
   x = 2,404,081,260,100/705,280
6. Step 6: Final answer
   x = 3,408,690.53