Finding the Third Proportional to 271,740 and 590,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,740 : 590,227.50 = 590,227.50 : x
2. Step 2: Convert to fraction form
   271,740/590,227.50 = 590,227.50/x
3. Step 3: Cross multiply
   271,740x = 590,227.50 × 590,227.50
4. Step 4: Simplify right side
   271,740x = 348,368,501,756.25
5. Step 5: Solve for x
   x = 348,368,501,756.25/271,740
6. Step 6: Final answer
   x = 1,281,991.98