Finding the Third Proportional to 1,403,309 and 2,117,594

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,309 : 2,117,594 = 2,117,594 : x
2. Step 2: Convert to fraction form
   1,403,309/2,117,594 = 2,117,594/x
3. Step 3: Cross multiply
   1,403,309x = 2,117,594 × 2,117,594
4. Step 4: Simplify right side
   1,403,309x = 4,484,204,348,836
5. Step 5: Solve for x
   x = 4,484,204,348,836/1,403,309
6. Step 6: Final answer
   x = 3,195,450.43