Finding the Third Proportional to 1,738,370 and 2,643,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738,370 : 2,643,120 = 2,643,120 : x
2. Step 2: Convert to fraction form
   1,738,370/2,643,120 = 2,643,120/x
3. Step 3: Cross multiply
   1,738,370x = 2,643,120 × 2,643,120
4. Step 4: Simplify right side
   1,738,370x = 6,986,083,334,400
5. Step 5: Solve for x
   x = 6,986,083,334,400/1,738,370
6. Step 6: Final answer
   x = 4,018,755.12