Finding the Third Proportional to 142,712 and 294,064

Step by Step Solution

1. Step 1: Write the proportion equation
   142,712 : 294,064 = 294,064 : x
2. Step 2: Convert to fraction form
   142,712/294,064 = 294,064/x
3. Step 3: Cross multiply
   142,712x = 294,064 × 294,064
4. Step 4: Simplify right side
   142,712x = 86,473,636,096
5. Step 5: Solve for x
   x = 86,473,636,096/142,712
6. Step 6: Final answer
   x = 605,931.08