Finding the Third Proportional to 142,362 and 308,100

Step by Step Solution

1. Step 1: Write the proportion equation
   142,362 : 308,100 = 308,100 : x
2. Step 2: Convert to fraction form
   142,362/308,100 = 308,100/x
3. Step 3: Cross multiply
   142,362x = 308,100 × 308,100
4. Step 4: Simplify right side
   142,362x = 94,925,610,000
5. Step 5: Solve for x
   x = 94,925,610,000/142,362
6. Step 6: Final answer
   x = 666,790.37