Finding the Third Proportional to 89,731,684.50 and 194,777,666.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,731,684.50 : 194,777,666.25 = 194,777,666.25 : x
2. Step 2: Convert to fraction form
   89,731,684.50/194,777,666.25 = 194,777,666.25/x
3. Step 3: Cross multiply
   89,731,684.50x = 194,777,666.25 × 194,777,666.25
4. Step 4: Simplify right side
   89,731,684.50x = 37,938,339,269,796,392
5. Step 5: Solve for x
   x = 37,938,339,269,796,392/89,731,684.50
6. Step 6: Final answer
   x = 422,797,582.38