Finding the Third Proportional to 194,957,716 and 428,181,380

Step by Step Solution

1. Step 1: Write the proportion equation
   194,957,716 : 428,181,380 = 428,181,380 : x
2. Step 2: Convert to fraction form
   194,957,716/428,181,380 = 428,181,380/x
3. Step 3: Cross multiply
   194,957,716x = 428,181,380 × 428,181,380
4. Step 4: Simplify right side
   194,957,716x = 183,339,294,178,704,384
5. Step 5: Solve for x
   x = 183,339,294,178,704,384/194,957,716
6. Step 6: Final answer
   x = 940,405,427.09