Finding the Third Proportional to 139,564.50 and 302,529

Step by Step Solution

1. Step 1: Write the proportion equation
   139,564.50 : 302,529 = 302,529 : x
2. Step 2: Convert to fraction form
   139,564.50/302,529 = 302,529/x
3. Step 3: Cross multiply
   139,564.50x = 302,529 × 302,529
4. Step 4: Simplify right side
   139,564.50x = 91,523,795,841
5. Step 5: Solve for x
   x = 91,523,795,841/139,564.50
6. Step 6: Final answer
   x = 655,781.35