Finding the Third Proportional to 1,155,390 and 2,493,463

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,390 : 2,493,463 = 2,493,463 : x
2. Step 2: Convert to fraction form
   1,155,390/2,493,463 = 2,493,463/x
3. Step 3: Cross multiply
   1,155,390x = 2,493,463 × 2,493,463
4. Step 4: Simplify right side
   1,155,390x = 6,217,357,732,369
5. Step 5: Solve for x
   x = 6,217,357,732,369/1,155,390
6. Step 6: Final answer
   x = 5,381,176.69