Finding the Third Proportional to 1,403,880 and 2,221,062

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,880 : 2,221,062 = 2,221,062 : x
2. Step 2: Convert to fraction form
   1,403,880/2,221,062 = 2,221,062/x
3. Step 3: Cross multiply
   1,403,880x = 2,221,062 × 2,221,062
4. Step 4: Simplify right side
   1,403,880x = 4,933,116,407,844
5. Step 5: Solve for x
   x = 4,933,116,407,844/1,403,880
6. Step 6: Final answer
   x = 3,513,916.01