Finding the Third Proportional to 4,499,761 and 9,717,773

Step by Step Solution

1. Step 1: Write the proportion equation
   4,499,761 : 9,717,773 = 9,717,773 : x
2. Step 2: Convert to fraction form
   4,499,761/9,717,773 = 9,717,773/x
3. Step 3: Cross multiply
   4,499,761x = 9,717,773 × 9,717,773
4. Step 4: Simplify right side
   4,499,761x = 94,435,112,079,529
5. Step 5: Solve for x
   x = 94,435,112,079,529/4,499,761
6. Step 6: Final answer
   x = 20,986,695.09