Finding the Third Proportional to 1,053,490 and 2,485,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,490 : 2,485,900 = 2,485,900 : x
2. Step 2: Convert to fraction form
   1,053,490/2,485,900 = 2,485,900/x
3. Step 3: Cross multiply
   1,053,490x = 2,485,900 × 2,485,900
4. Step 4: Simplify right side
   1,053,490x = 6,179,698,810,000
5. Step 5: Solve for x
   x = 6,179,698,810,000/1,053,490
6. Step 6: Final answer
   x = 5,865,930.20