Finding the Third Proportional to 192,330 and 418,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,330 : 418,522.50 = 418,522.50 : x
2. Step 2: Convert to fraction form
   192,330/418,522.50 = 418,522.50/x
3. Step 3: Cross multiply
   192,330x = 418,522.50 × 418,522.50
4. Step 4: Simplify right side
   192,330x = 175,161,083,006.25
5. Step 5: Solve for x
   x = 175,161,083,006.25/192,330
6. Step 6: Final answer
   x = 910,731.99