Finding the Third Proportional to 9,627,556 and 21,144,784

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627,556 : 21,144,784 = 21,144,784 : x
2. Step 2: Convert to fraction form
   9,627,556/21,144,784 = 21,144,784/x
3. Step 3: Cross multiply
   9,627,556x = 21,144,784 × 21,144,784
4. Step 4: Simplify right side
   9,627,556x = 447,101,890,406,656
5. Step 5: Solve for x
   x = 447,101,890,406,656/9,627,556
6. Step 6: Final answer
   x = 46,439,811.97