Finding the Third Proportional to 1,403,624 and 2,231,415

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,624 : 2,231,415 = 2,231,415 : x
2. Step 2: Convert to fraction form
   1,403,624/2,231,415 = 2,231,415/x
3. Step 3: Cross multiply
   1,403,624x = 2,231,415 × 2,231,415
4. Step 4: Simplify right side
   1,403,624x = 4,979,212,902,225
5. Step 5: Solve for x
   x = 4,979,212,902,225/1,403,624
6. Step 6: Final answer
   x = 3,547,397.95