Finding the Third Proportional to 211,696.50 and 456,630

Step by Step Solution

1. Step 1: Write the proportion equation
   211,696.50 : 456,630 = 456,630 : x
2. Step 2: Convert to fraction form
   211,696.50/456,630 = 456,630/x
3. Step 3: Cross multiply
   211,696.50x = 456,630 × 456,630
4. Step 4: Simplify right side
   211,696.50x = 208,510,956,900
5. Step 5: Solve for x
   x = 208,510,956,900/211,696.50
6. Step 6: Final answer
   x = 984,952.31