Finding the Third Proportional to 4,237,644 and 9,267,507

Step by Step Solution

1. Step 1: Write the proportion equation
   4,237,644 : 9,267,507 = 9,267,507 : x
2. Step 2: Convert to fraction form
   4,237,644/9,267,507 = 9,267,507/x
3. Step 3: Cross multiply
   4,237,644x = 9,267,507 × 9,267,507
4. Step 4: Simplify right side
   4,237,644x = 85,886,685,995,049
5. Step 5: Solve for x
   x = 85,886,685,995,049/4,237,644
6. Step 6: Final answer
   x = 20,267,555.74