Finding the Third Proportional to 1,300,712 and 2,782,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,712 : 2,782,216 = 2,782,216 : x
2. Step 2: Convert to fraction form
   1,300,712/2,782,216 = 2,782,216/x
3. Step 3: Cross multiply
   1,300,712x = 2,782,216 × 2,782,216
4. Step 4: Simplify right side
   1,300,712x = 7,740,725,870,656
5. Step 5: Solve for x
   x = 7,740,725,870,656/1,300,712
6. Step 6: Final answer
   x = 5,951,145.12