Finding the Third Proportional to 1,555,010 and 2,539,191

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,010 : 2,539,191 = 2,539,191 : x
2. Step 2: Convert to fraction form
   1,555,010/2,539,191 = 2,539,191/x
3. Step 3: Cross multiply
   1,555,010x = 2,539,191 × 2,539,191
4. Step 4: Simplify right side
   1,555,010x = 6,447,490,934,481
5. Step 5: Solve for x
   x = 6,447,490,934,481/1,555,010
6. Step 6: Final answer
   x = 4,146,269.76