Finding the Third Proportional to 9,288,209 and 19,704,910

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288,209 : 19,704,910 = 19,704,910 : x
2. Step 2: Convert to fraction form
   9,288,209/19,704,910 = 19,704,910/x
3. Step 3: Cross multiply
   9,288,209x = 19,704,910 × 19,704,910
4. Step 4: Simplify right side
   9,288,209x = 388,283,478,108,100
5. Step 5: Solve for x
   x = 388,283,478,108,100/9,288,209
6. Step 6: Final answer
   x = 41,803,912.69