Finding the Third Proportional to 299,336 and 452,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   299,336 : 452,113.50 = 452,113.50 : x
2. Step 2: Convert to fraction form
   299,336/452,113.50 = 452,113.50/x
3. Step 3: Cross multiply
   299,336x = 452,113.50 × 452,113.50
4. Step 4: Simplify right side
   299,336x = 204,406,616,882.25
5. Step 5: Solve for x
   x = 204,406,616,882.25/299,336
6. Step 6: Final answer
   x = 682,866.80