Finding the Third Proportional to 197,082 and 423,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   197,082 : 423,688.50 = 423,688.50 : x
2. Step 2: Convert to fraction form
   197,082/423,688.50 = 423,688.50/x
3. Step 3: Cross multiply
   197,082x = 423,688.50 × 423,688.50
4. Step 4: Simplify right side
   197,082x = 179,511,945,032.25
5. Step 5: Solve for x
   x = 179,511,945,032.25/197,082
6. Step 6: Final answer
   x = 910,849.01