Finding the Third Proportional to 302,269.50 and 637,344

Step by Step Solution

1. Step 1: Write the proportion equation
   302,269.50 : 637,344 = 637,344 : x
2. Step 2: Convert to fraction form
   302,269.50/637,344 = 637,344/x
3. Step 3: Cross multiply
   302,269.50x = 637,344 × 637,344
4. Step 4: Simplify right side
   302,269.50x = 406,207,374,336
5. Step 5: Solve for x
   x = 406,207,374,336/302,269.50
6. Step 6: Final answer
   x = 1,343,858.29