Finding the Third Proportional to 1,291,862 and 2,781,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,862 : 2,781,148 = 2,781,148 : x
2. Step 2: Convert to fraction form
   1,291,862/2,781,148 = 2,781,148/x
3. Step 3: Cross multiply
   1,291,862x = 2,781,148 × 2,781,148
4. Step 4: Simplify right side
   1,291,862x = 7,734,784,197,904
5. Step 5: Solve for x
   x = 7,734,784,197,904/1,291,862
6. Step 6: Final answer
   x = 5,987,314.59