Finding the Third Proportional to 153,808 and 238,710

Step by Step Solution

1. Step 1: Write the proportion equation
   153,808 : 238,710 = 238,710 : x
2. Step 2: Convert to fraction form
   153,808/238,710 = 238,710/x
3. Step 3: Cross multiply
   153,808x = 238,710 × 238,710
4. Step 4: Simplify right side
   153,808x = 56,982,464,100
5. Step 5: Solve for x
   x = 56,982,464,100/153,808
6. Step 6: Final answer
   x = 370,477.90