Finding the Third Proportional to 4,151,065 and 9,010,680

Step by Step Solution

1. Step 1: Write the proportion equation
   4,151,065 : 9,010,680 = 9,010,680 : x
2. Step 2: Convert to fraction form
   4,151,065/9,010,680 = 9,010,680/x
3. Step 3: Cross multiply
   4,151,065x = 9,010,680 × 9,010,680
4. Step 4: Simplify right side
   4,151,065x = 81,192,354,062,400
5. Step 5: Solve for x
   x = 81,192,354,062,400/4,151,065
6. Step 6: Final answer
   x = 19,559,403.20