Finding the Third Proportional to 139,522 and 302,068

Step by Step Solution

1. Step 1: Write the proportion equation
   139,522 : 302,068 = 302,068 : x
2. Step 2: Convert to fraction form
   139,522/302,068 = 302,068/x
3. Step 3: Cross multiply
   139,522x = 302,068 × 302,068
4. Step 4: Simplify right side
   139,522x = 91,245,076,624
5. Step 5: Solve for x
   x = 91,245,076,624/139,522
6. Step 6: Final answer
   x = 653,983.43