Finding the Third Proportional to 195,713 and 272,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,713 : 272,321.50 = 272,321.50 : x
2. Step 2: Convert to fraction form
   195,713/272,321.50 = 272,321.50/x
3. Step 3: Cross multiply
   195,713x = 272,321.50 × 272,321.50
4. Step 4: Simplify right side
   195,713x = 74,158,999,362.25
5. Step 5: Solve for x
   x = 74,158,999,362.25/195,713
6. Step 6: Final answer
   x = 378,917.08