Finding the Third Proportional to 231,314.25 and 345,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,314.25 : 345,052.50 = 345,052.50 : x
2. Step 2: Convert to fraction form
   231,314.25/345,052.50 = 345,052.50/x
3. Step 3: Cross multiply
   231,314.25x = 345,052.50 × 345,052.50
4. Step 4: Simplify right side
   231,314.25x = 119,061,227,756.25
5. Step 5: Solve for x
   x = 119,061,227,756.25/231,314.25
6. Step 6: Final answer
   x = 514,716.36