Finding the Third Proportional to 1,866,896 and 2,817,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,896 : 2,817,448 = 2,817,448 : x
2. Step 2: Convert to fraction form
   1,866,896/2,817,448 = 2,817,448/x
3. Step 3: Cross multiply
   1,866,896x = 2,817,448 × 2,817,448
4. Step 4: Simplify right side
   1,866,896x = 7,938,013,232,704
5. Step 5: Solve for x
   x = 7,938,013,232,704/1,866,896
6. Step 6: Final answer
   x = 4,251,984.70