Finding the Third Proportional to 1,436,603 and 2,142,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436,603 : 2,142,448 = 2,142,448 : x
2. Step 2: Convert to fraction form
   1,436,603/2,142,448 = 2,142,448/x
3. Step 3: Cross multiply
   1,436,603x = 2,142,448 × 2,142,448
4. Step 4: Simplify right side
   1,436,603x = 4,590,083,432,704
5. Step 5: Solve for x
   x = 4,590,083,432,704/1,436,603
6. Step 6: Final answer
   x = 3,195,095.26