Finding the Third Proportional to 7,939,272 and 17,222,820

Step by Step Solution

1. Step 1: Write the proportion equation
   7,939,272 : 17,222,820 = 17,222,820 : x
2. Step 2: Convert to fraction form
   7,939,272/17,222,820 = 17,222,820/x
3. Step 3: Cross multiply
   7,939,272x = 17,222,820 × 17,222,820
4. Step 4: Simplify right side
   7,939,272x = 296,625,528,752,400
5. Step 5: Solve for x
   x = 296,625,528,752,400/7,939,272
6. Step 6: Final answer
   x = 37,361,804.55