Finding the Third Proportional to 1,490,259 and 2,363,643

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,259 : 2,363,643 = 2,363,643 : x
2. Step 2: Convert to fraction form
   1,490,259/2,363,643 = 2,363,643/x
3. Step 3: Cross multiply
   1,490,259x = 2,363,643 × 2,363,643
4. Step 4: Simplify right side
   1,490,259x = 5,586,808,231,449
5. Step 5: Solve for x
   x = 5,586,808,231,449/1,490,259
6. Step 6: Final answer
   x = 3,748,884.07