Finding the Third Proportional to 271,234.50 and 590,685

Step by Step Solution

1. Step 1: Write the proportion equation
   271,234.50 : 590,685 = 590,685 : x
2. Step 2: Convert to fraction form
   271,234.50/590,685 = 590,685/x
3. Step 3: Cross multiply
   271,234.50x = 590,685 × 590,685
4. Step 4: Simplify right side
   271,234.50x = 348,908,769,225
5. Step 5: Solve for x
   x = 348,908,769,225/271,234.50
6. Step 6: Final answer
   x = 1,286,373.12