Finding the Third Proportional to 3,436,398 and 7,763,931

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436,398 : 7,763,931 = 7,763,931 : x
2. Step 2: Convert to fraction form
   3,436,398/7,763,931 = 7,763,931/x
3. Step 3: Cross multiply
   3,436,398x = 7,763,931 × 7,763,931
4. Step 4: Simplify right side
   3,436,398x = 60,278,624,572,761
5. Step 5: Solve for x
   x = 60,278,624,572,761/3,436,398
6. Step 6: Final answer
   x = 17,541,223.27