Finding the Third Proportional to 1,117,842 and 1,580,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,842 : 1,580,210 = 1,580,210 : x
2. Step 2: Convert to fraction form
   1,117,842/1,580,210 = 1,580,210/x
3. Step 3: Cross multiply
   1,117,842x = 1,580,210 × 1,580,210
4. Step 4: Simplify right side
   1,117,842x = 2,497,063,644,100
5. Step 5: Solve for x
   x = 2,497,063,644,100/1,117,842
6. Step 6: Final answer
   x = 2,233,825.21