Finding the Third Proportional to 4,159,892 and 9,113,908

Step by Step Solution

1. Step 1: Write the proportion equation
   4,159,892 : 9,113,908 = 9,113,908 : x
2. Step 2: Convert to fraction form
   4,159,892/9,113,908 = 9,113,908/x
3. Step 3: Cross multiply
   4,159,892x = 9,113,908 × 9,113,908
4. Step 4: Simplify right side
   4,159,892x = 83,063,319,032,464
5. Step 5: Solve for x
   x = 83,063,319,032,464/4,159,892
6. Step 6: Final answer
   x = 19,967,662.39