Finding the Third Proportional to 1,201,669 and 2,573,918

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,669 : 2,573,918 = 2,573,918 : x
2. Step 2: Convert to fraction form
   1,201,669/2,573,918 = 2,573,918/x
3. Step 3: Cross multiply
   1,201,669x = 2,573,918 × 2,573,918
4. Step 4: Simplify right side
   1,201,669x = 6,625,053,870,724
5. Step 5: Solve for x
   x = 6,625,053,870,724/1,201,669
6. Step 6: Final answer
   x = 5,513,210.27