Finding the Third Proportional to 4,550,592 and 9,776,560

Step by Step Solution

1. Step 1: Write the proportion equation
   4,550,592 : 9,776,560 = 9,776,560 : x
2. Step 2: Convert to fraction form
   4,550,592/9,776,560 = 9,776,560/x
3. Step 3: Cross multiply
   4,550,592x = 9,776,560 × 9,776,560
4. Step 4: Simplify right side
   4,550,592x = 95,581,125,433,600
5. Step 5: Solve for x
   x = 95,581,125,433,600/4,550,592
6. Step 6: Final answer
   x = 21,004,107.91