Finding the Third Proportional to 3,666,432 and 7,891,986

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666,432 : 7,891,986 = 7,891,986 : x
2. Step 2: Convert to fraction form
   3,666,432/7,891,986 = 7,891,986/x
3. Step 3: Cross multiply
   3,666,432x = 7,891,986 × 7,891,986
4. Step 4: Simplify right side
   3,666,432x = 62,283,443,024,196
5. Step 5: Solve for x
   x = 62,283,443,024,196/3,666,432
6. Step 6: Final answer
   x = 16,987,480.75