Finding the Third Proportional to 1,312,200 and 2,869,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,200 : 2,869,488 = 2,869,488 : x
2. Step 2: Convert to fraction form
   1,312,200/2,869,488 = 2,869,488/x
3. Step 3: Cross multiply
   1,312,200x = 2,869,488 × 2,869,488
4. Step 4: Simplify right side
   1,312,200x = 8,233,961,382,144
5. Step 5: Solve for x
   x = 8,233,961,382,144/1,312,200
6. Step 6: Final answer
   x = 6,274,928.66