Finding the Third Proportional to 9,021,100 and 19,670,816

Step by Step Solution

1. Step 1: Write the proportion equation
   9,021,100 : 19,670,816 = 19,670,816 : x
2. Step 2: Convert to fraction form
   9,021,100/19,670,816 = 19,670,816/x
3. Step 3: Cross multiply
   9,021,100x = 19,670,816 × 19,670,816
4. Step 4: Simplify right side
   9,021,100x = 386,941,002,105,856
5. Step 5: Solve for x
   x = 386,941,002,105,856/9,021,100
6. Step 6: Final answer
   x = 42,892,884.69