Finding the Third Proportional to 7,909,454 and 17,338,510

Step by Step Solution

1. Step 1: Write the proportion equation
   7,909,454 : 17,338,510 = 17,338,510 : x
2. Step 2: Convert to fraction form
   7,909,454/17,338,510 = 17,338,510/x
3. Step 3: Cross multiply
   7,909,454x = 17,338,510 × 17,338,510
4. Step 4: Simplify right side
   7,909,454x = 300,623,929,020,100
5. Step 5: Solve for x
   x = 300,623,929,020,100/7,909,454
6. Step 6: Final answer
   x = 38,008,177.18