Finding the Third Proportional to 1,312,200 and 2,819,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,200 : 2,819,772 = 2,819,772 : x
2. Step 2: Convert to fraction form
   1,312,200/2,819,772 = 2,819,772/x
3. Step 3: Cross multiply
   1,312,200x = 2,819,772 × 2,819,772
4. Step 4: Simplify right side
   1,312,200x = 7,951,114,131,984
5. Step 5: Solve for x
   x = 7,951,114,131,984/1,312,200
6. Step 6: Final answer
   x = 6,059,376.72