Finding the Third Proportional to 211,665.50 and 452,790

Step by Step Solution

1. Step 1: Write the proportion equation
   211,665.50 : 452,790 = 452,790 : x
2. Step 2: Convert to fraction form
   211,665.50/452,790 = 452,790/x
3. Step 3: Cross multiply
   211,665.50x = 452,790 × 452,790
4. Step 4: Simplify right side
   211,665.50x = 205,018,784,100
5. Step 5: Solve for x
   x = 205,018,784,100/211,665.50
6. Step 6: Final answer
   x = 968,598.02