Finding the Third Proportional to 4,261,404 and 9,155,256

Step by Step Solution

1. Step 1: Write the proportion equation
   4,261,404 : 9,155,256 = 9,155,256 : x
2. Step 2: Convert to fraction form
   4,261,404/9,155,256 = 9,155,256/x
3. Step 3: Cross multiply
   4,261,404x = 9,155,256 × 9,155,256
4. Step 4: Simplify right side
   4,261,404x = 83,818,712,425,536
5. Step 5: Solve for x
   x = 83,818,712,425,536/4,261,404
6. Step 6: Final answer
   x = 19,669,271.54