Finding the Third Proportional to 149,971.50 and 238,506

Step by Step Solution

1. Step 1: Write the proportion equation
   149,971.50 : 238,506 = 238,506 : x
2. Step 2: Convert to fraction form
   149,971.50/238,506 = 238,506/x
3. Step 3: Cross multiply
   149,971.50x = 238,506 × 238,506
4. Step 4: Simplify right side
   149,971.50x = 56,885,112,036
5. Step 5: Solve for x
   x = 56,885,112,036/149,971.50
6. Step 6: Final answer
   x = 379,306.15