Finding the Third Proportional to 7,909,451 and 17,338,503

Step by Step Solution

1. Step 1: Write the proportion equation
   7,909,451 : 17,338,503 = 17,338,503 : x
2. Step 2: Convert to fraction form
   7,909,451/17,338,503 = 17,338,503/x
3. Step 3: Cross multiply
   7,909,451x = 17,338,503 × 17,338,503
4. Step 4: Simplify right side
   7,909,451x = 300,623,686,281,009
5. Step 5: Solve for x
   x = 300,623,686,281,009/7,909,451
6. Step 6: Final answer
   x = 38,008,160.91