Finding the Third Proportional to 1,087,390 and 2,558,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,390 : 2,558,410 = 2,558,410 : x
2. Step 2: Convert to fraction form
   1,087,390/2,558,410 = 2,558,410/x
3. Step 3: Cross multiply
   1,087,390x = 2,558,410 × 2,558,410
4. Step 4: Simplify right side
   1,087,390x = 6,545,461,728,100
5. Step 5: Solve for x
   x = 6,545,461,728,100/1,087,390
6. Step 6: Final answer
   x = 6,019,424.24