Finding the Third Proportional to 139,002 and 302,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,002 : 302,953.50 = 302,953.50 : x
2. Step 2: Convert to fraction form
   139,002/302,953.50 = 302,953.50/x
3. Step 3: Cross multiply
   139,002x = 302,953.50 × 302,953.50
4. Step 4: Simplify right side
   139,002x = 91,780,823,162.25
5. Step 5: Solve for x
   x = 91,780,823,162.25/139,002
6. Step 6: Final answer
   x = 660,284.19