Finding the Third Proportional to 3,307,598 and 7,121,942

Step by Step Solution

1. Step 1: Write the proportion equation
   3,307,598 : 7,121,942 = 7,121,942 : x
2. Step 2: Convert to fraction form
   3,307,598/7,121,942 = 7,121,942/x
3. Step 3: Cross multiply
   3,307,598x = 7,121,942 × 7,121,942
4. Step 4: Simplify right side
   3,307,598x = 50,722,057,851,364
5. Step 5: Solve for x
   x = 50,722,057,851,364/3,307,598
6. Step 6: Final answer
   x = 15,335,012.86