Finding the Third Proportional to 139,502 and 302,184

Step by Step Solution

1. Step 1: Write the proportion equation
   139,502 : 302,184 = 302,184 : x
2. Step 2: Convert to fraction form
   139,502/302,184 = 302,184/x
3. Step 3: Cross multiply
   139,502x = 302,184 × 302,184
4. Step 4: Simplify right side
   139,502x = 91,315,169,856
5. Step 5: Solve for x
   x = 91,315,169,856/139,502
6. Step 6: Final answer
   x = 654,579.65