Finding the Third Proportional to 21,601,188 and 30,384,774

Step by Step Solution

1. Step 1: Write the proportion equation
   21,601,188 : 30,384,774 = 30,384,774 : x
2. Step 2: Convert to fraction form
   21,601,188/30,384,774 = 30,384,774/x
3. Step 3: Cross multiply
   21,601,188x = 30,384,774 × 30,384,774
4. Step 4: Simplify right side
   21,601,188x = 923,234,491,031,076
5. Step 5: Solve for x
   x = 923,234,491,031,076/21,601,188
6. Step 6: Final answer
   x = 42,739,986.85