Finding the Third Proportional to 4,487,601 and 9,787,458

Step by Step Solution

1. Step 1: Write the proportion equation
   4,487,601 : 9,787,458 = 9,787,458 : x
2. Step 2: Convert to fraction form
   4,487,601/9,787,458 = 9,787,458/x
3. Step 3: Cross multiply
   4,487,601x = 9,787,458 × 9,787,458
4. Step 4: Simplify right side
   4,487,601x = 95,794,334,101,764
5. Step 5: Solve for x
   x = 95,794,334,101,764/4,487,601
6. Step 6: Final answer
   x = 21,346,446.38