Finding the Third Proportional to 1,155,390 and 2,493,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,390 : 2,493,464 = 2,493,464 : x
2. Step 2: Convert to fraction form
   1,155,390/2,493,464 = 2,493,464/x
3. Step 3: Cross multiply
   1,155,390x = 2,493,464 × 2,493,464
4. Step 4: Simplify right side
   1,155,390x = 6,217,362,719,296
5. Step 5: Solve for x
   x = 6,217,362,719,296/1,155,390
6. Step 6: Final answer
   x = 5,381,181.00