Finding the Third Proportional to 1,409,746 and 2,117,746

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,746 : 2,117,746 = 2,117,746 : x
2. Step 2: Convert to fraction form
   1,409,746/2,117,746 = 2,117,746/x
3. Step 3: Cross multiply
   1,409,746x = 2,117,746 × 2,117,746
4. Step 4: Simplify right side
   1,409,746x = 4,484,848,120,516
5. Step 5: Solve for x
   x = 4,484,848,120,516/1,409,746
6. Step 6: Final answer
   x = 3,181,316.44