Finding the Third Proportional to 194,856,192 and 419,105,664

Step by Step Solution

1. Step 1: Write the proportion equation
   194,856,192 : 419,105,664 = 419,105,664 : x
2. Step 2: Convert to fraction form
   194,856,192/419,105,664 = 419,105,664/x
3. Step 3: Cross multiply
   194,856,192x = 419,105,664 × 419,105,664
4. Step 4: Simplify right side
   194,856,192x = 175,649,557,596,880,896
5. Step 5: Solve for x
   x = 175,649,557,596,880,896/194,856,192
6. Step 6: Final answer
   x = 901,431,747.15