Finding the Third Proportional to 1,121,490 and 2,402,449

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,490 : 2,402,449 = 2,402,449 : x
2. Step 2: Convert to fraction form
   1,121,490/2,402,449 = 2,402,449/x
3. Step 3: Cross multiply
   1,121,490x = 2,402,449 × 2,402,449
4. Step 4: Simplify right side
   1,121,490x = 5,771,761,197,601
5. Step 5: Solve for x
   x = 5,771,761,197,601/1,121,490
6. Step 6: Final answer
   x = 5,146,511.51