Finding the Third Proportional to 1,987,786 and 4,366,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987,786 : 4,366,080 = 4,366,080 : x
2. Step 2: Convert to fraction form
   1,987,786/4,366,080 = 4,366,080/x
3. Step 3: Cross multiply
   1,987,786x = 4,366,080 × 4,366,080
4. Step 4: Simplify right side
   1,987,786x = 19,062,654,566,400
5. Step 5: Solve for x
   x = 19,062,654,566,400/1,987,786
6. Step 6: Final answer
   x = 9,589,892.76