Finding the Third Proportional to 89,731,588 and 194,777,468

Step by Step Solution

1. Step 1: Write the proportion equation
   89,731,588 : 194,777,468 = 194,777,468 : x
2. Step 2: Convert to fraction form
   89,731,588/194,777,468 = 194,777,468/x
3. Step 3: Cross multiply
   89,731,588x = 194,777,468 × 194,777,468
4. Step 4: Simplify right side
   89,731,588x = 37,938,262,040,491,024
5. Step 5: Solve for x
   x = 37,938,262,040,491,024/89,731,588
6. Step 6: Final answer
   x = 422,797,176.40