Finding the Third Proportional to 1,821,264 and 2,759,121

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,264 : 2,759,121 = 2,759,121 : x
2. Step 2: Convert to fraction form
   1,821,264/2,759,121 = 2,759,121/x
3. Step 3: Cross multiply
   1,821,264x = 2,759,121 × 2,759,121
4. Step 4: Simplify right side
   1,821,264x = 7,612,748,692,641
5. Step 5: Solve for x
   x = 7,612,748,692,641/1,821,264
6. Step 6: Final answer
   x = 4,179,925.97