Finding the Third Proportional to 1,406,943 and 2,179,917

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,943 : 2,179,917 = 2,179,917 : x
2. Step 2: Convert to fraction form
   1,406,943/2,179,917 = 2,179,917/x
3. Step 3: Cross multiply
   1,406,943x = 2,179,917 × 2,179,917
4. Step 4: Simplify right side
   1,406,943x = 4,752,038,126,889
5. Step 5: Solve for x
   x = 4,752,038,126,889/1,406,943
6. Step 6: Final answer
   x = 3,377,562.65