Finding the Third Proportional to 1,285,140 and 2,791,510

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,140 : 2,791,510 = 2,791,510 : x
2. Step 2: Convert to fraction form
   1,285,140/2,791,510 = 2,791,510/x
3. Step 3: Cross multiply
   1,285,140x = 2,791,510 × 2,791,510
4. Step 4: Simplify right side
   1,285,140x = 7,792,528,080,100
5. Step 5: Solve for x
   x = 7,792,528,080,100/1,285,140
6. Step 6: Final answer
   x = 6,063,563.57