Finding the Third Proportional to 139,632 and 301,402

Step by Step Solution

1. Step 1: Write the proportion equation
   139,632 : 301,402 = 301,402 : x
2. Step 2: Convert to fraction form
   139,632/301,402 = 301,402/x
3. Step 3: Cross multiply
   139,632x = 301,402 × 301,402
4. Step 4: Simplify right side
   139,632x = 90,843,165,604
5. Step 5: Solve for x
   x = 90,843,165,604/139,632
6. Step 6: Final answer
   x = 650,589.88