Finding the Third Proportional to 2,056,280 and 4,455,758

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,280 : 4,455,758 = 4,455,758 : x
2. Step 2: Convert to fraction form
   2,056,280/4,455,758 = 4,455,758/x
3. Step 3: Cross multiply
   2,056,280x = 4,455,758 × 4,455,758
4. Step 4: Simplify right side
   2,056,280x = 19,853,779,354,564
5. Step 5: Solve for x
   x = 19,853,779,354,564/2,056,280
6. Step 6: Final answer
   x = 9,655,192.56