Finding the Third Proportional to 89,731,630.50 and 194,777,560

Step by Step Solution

1. Step 1: Write the proportion equation
   89,731,630.50 : 194,777,560 = 194,777,560 : x
2. Step 2: Convert to fraction form
   89,731,630.50/194,777,560 = 194,777,560/x
3. Step 3: Cross multiply
   89,731,630.50x = 194,777,560 × 194,777,560
4. Step 4: Simplify right side
   89,731,630.50x = 37,938,297,879,553,600
5. Step 5: Solve for x
   x = 37,938,297,879,553,600/89,731,630.50
6. Step 6: Final answer
   x = 422,797,375.55