Finding the Third Proportional to 4,208,112 and 9,087,681

Step by Step Solution

1. Step 1: Write the proportion equation
   4,208,112 : 9,087,681 = 9,087,681 : x
2. Step 2: Convert to fraction form
   4,208,112/9,087,681 = 9,087,681/x
3. Step 3: Cross multiply
   4,208,112x = 9,087,681 × 9,087,681
4. Step 4: Simplify right side
   4,208,112x = 82,585,945,957,761
5. Step 5: Solve for x
   x = 82,585,945,957,761/4,208,112
6. Step 6: Final answer
   x = 19,625,415.38