Finding the Third Proportional to 1,403,311 and 2,117,597

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,311 : 2,117,597 = 2,117,597 : x
2. Step 2: Convert to fraction form
   1,403,311/2,117,597 = 2,117,597/x
3. Step 3: Cross multiply
   1,403,311x = 2,117,597 × 2,117,597
4. Step 4: Simplify right side
   1,403,311x = 4,484,217,054,409
5. Step 5: Solve for x
   x = 4,484,217,054,409/1,403,311
6. Step 6: Final answer
   x = 3,195,454.93