Finding the Third Proportional to 139,364 and 301,088

Step by Step Solution

1. Step 1: Write the proportion equation
   139,364 : 301,088 = 301,088 : x
2. Step 2: Convert to fraction form
   139,364/301,088 = 301,088/x
3. Step 3: Cross multiply
   139,364x = 301,088 × 301,088
4. Step 4: Simplify right side
   139,364x = 90,653,983,744
5. Step 5: Solve for x
   x = 90,653,983,744/139,364
6. Step 6: Final answer
   x = 650,483.51