Finding the Third Proportional to 142,338 and 308,052

Step by Step Solution

1. Step 1: Write the proportion equation
   142,338 : 308,052 = 308,052 : x
2. Step 2: Convert to fraction form
   142,338/308,052 = 308,052/x
3. Step 3: Cross multiply
   142,338x = 308,052 × 308,052
4. Step 4: Simplify right side
   142,338x = 94,896,034,704
5. Step 5: Solve for x
   x = 94,896,034,704/142,338
6. Step 6: Final answer
   x = 666,695.01