Finding the Third Proportional to 404,429,554 and 871,155,802

Step by Step Solution

1. Step 1: Write the proportion equation
   404,429,554 : 871,155,802 = 871,155,802 : x
2. Step 2: Convert to fraction form
   404,429,554/871,155,802 = 871,155,802/x
3. Step 3: Cross multiply
   404,429,554x = 871,155,802 × 871,155,802
4. Step 4: Simplify right side
   404,429,554x = 758,912,431,358,263,168
5. Step 5: Solve for x
   x = 758,912,431,358,263,168/404,429,554
6. Step 6: Final answer
   x = 1,876,500,922.97