Finding the Third Proportional to 4,550,594 and 9,776,564

Step by Step Solution

1. Step 1: Write the proportion equation
   4,550,594 : 9,776,564 = 9,776,564 : x
2. Step 2: Convert to fraction form
   4,550,594/9,776,564 = 9,776,564/x
3. Step 3: Cross multiply
   4,550,594x = 9,776,564 × 9,776,564
4. Step 4: Simplify right side
   4,550,594x = 95,581,203,646,096
5. Step 5: Solve for x
   x = 95,581,203,646,096/4,550,594
6. Step 6: Final answer
   x = 21,004,115.87