Finding the Third Proportional to 1,409,788 and 2,115,114

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,788 : 2,115,114 = 2,115,114 : x
2. Step 2: Convert to fraction form
   1,409,788/2,115,114 = 2,115,114/x
3. Step 3: Cross multiply
   1,409,788x = 2,115,114 × 2,115,114
4. Step 4: Simplify right side
   1,409,788x = 4,473,707,232,996
5. Step 5: Solve for x
   x = 4,473,707,232,996/1,409,788
6. Step 6: Final answer
   x = 3,173,319.13