Finding the Third Proportional to 404,443,988 and 871,365,716

Step by Step Solution

1. Step 1: Write the proportion equation
   404,443,988 : 871,365,716 = 871,365,716 : x
2. Step 2: Convert to fraction form
   404,443,988/871,365,716 = 871,365,716/x
3. Step 3: Cross multiply
   404,443,988x = 871,365,716 × 871,365,716
4. Step 4: Simplify right side
   404,443,988x = 759,278,211,020,192,640
5. Step 5: Solve for x
   x = 759,278,211,020,192,640/404,443,988
6. Step 6: Final answer
   x = 1,877,338,354.75