Finding the Third Proportional to 197,299.50 and 426,132

Step by Step Solution

1. Step 1: Write the proportion equation
   197,299.50 : 426,132 = 426,132 : x
2. Step 2: Convert to fraction form
   197,299.50/426,132 = 426,132/x
3. Step 3: Cross multiply
   197,299.50x = 426,132 × 426,132
4. Step 4: Simplify right side
   197,299.50x = 181,588,481,424
5. Step 5: Solve for x
   x = 181,588,481,424/197,299.50
6. Step 6: Final answer
   x = 920,369.70