Finding the Third Proportional to 140,715 and 234,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,715 : 234,076.50 = 234,076.50 : x
2. Step 2: Convert to fraction form
   140,715/234,076.50 = 234,076.50/x
3. Step 3: Cross multiply
   140,715x = 234,076.50 × 234,076.50
4. Step 4: Simplify right side
   140,715x = 54,791,807,852.25
5. Step 5: Solve for x
   x = 54,791,807,852.25/140,715
6. Step 6: Final answer
   x = 389,381.43