Finding the Third Proportional to 1,988,520 and 3,110,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988,520 : 3,110,736 = 3,110,736 : x
2. Step 2: Convert to fraction form
   1,988,520/3,110,736 = 3,110,736/x
3. Step 3: Cross multiply
   1,988,520x = 3,110,736 × 3,110,736
4. Step 4: Simplify right side
   1,988,520x = 9,676,678,461,696
5. Step 5: Solve for x
   x = 9,676,678,461,696/1,988,520
6. Step 6: Final answer
   x = 4,866,271.63