Finding the Third Proportional to 9,934,592 and 21,728,928

Step by Step Solution

1. Step 1: Write the proportion equation
   9,934,592 : 21,728,928 = 21,728,928 : x
2. Step 2: Convert to fraction form
   9,934,592/21,728,928 = 21,728,928/x
3. Step 3: Cross multiply
   9,934,592x = 21,728,928 × 21,728,928
4. Step 4: Simplify right side
   9,934,592x = 472,146,312,029,184
5. Step 5: Solve for x
   x = 472,146,312,029,184/9,934,592
6. Step 6: Final answer
   x = 47,525,485.90