Finding the Third Proportional to 745,142 and 1,181,842

Step by Step Solution

1. Step 1: Write the proportion equation
   745,142 : 1,181,842 = 1,181,842 : x
2. Step 2: Convert to fraction form
   745,142/1,181,842 = 1,181,842/x
3. Step 3: Cross multiply
   745,142x = 1,181,842 × 1,181,842
4. Step 4: Simplify right side
   745,142x = 1,396,750,512,964
5. Step 5: Solve for x
   x = 1,396,750,512,964/745,142
6. Step 6: Final answer
   x = 1,874,475.62