Finding the Third Proportional to 336,636 and 503,814.94

Step by Step Solution

1. Step 1: Write the proportion equation
   336,636 : 503,814.94 = 503,814.94 : x
2. Step 2: Convert to fraction form
   336,636/503,814.94 = 503,814.94/x
3. Step 3: Cross multiply
   336,636x = 503,814.94 × 503,814.94
4. Step 4: Simplify right side
   336,636x = 253,829,491,248.13
5. Step 5: Solve for x
   x = 253,829,491,248.13/336,636
6. Step 6: Final answer
   x = 754,017.67