Finding the Third Proportional to 1,254,216 and 2,758,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254,216 : 2,758,140 = 2,758,140 : x
2. Step 2: Convert to fraction form
   1,254,216/2,758,140 = 2,758,140/x
3. Step 3: Cross multiply
   1,254,216x = 2,758,140 × 2,758,140
4. Step 4: Simplify right side
   1,254,216x = 7,607,336,259,600
5. Step 5: Solve for x
   x = 7,607,336,259,600/1,254,216
6. Step 6: Final answer
   x = 6,065,411.59