Finding the Third Proportional to 294,395.50 and 453,136

Step by Step Solution

1. Step 1: Write the proportion equation
   294,395.50 : 453,136 = 453,136 : x
2. Step 2: Convert to fraction form
   294,395.50/453,136 = 453,136/x
3. Step 3: Cross multiply
   294,395.50x = 453,136 × 453,136
4. Step 4: Simplify right side
   294,395.50x = 205,332,234,496
5. Step 5: Solve for x
   x = 205,332,234,496/294,395.50
6. Step 6: Final answer
   x = 697,470.70