Finding the Third Proportional to 231,324 and 345,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,324 : 345,060.50 = 345,060.50 : x
2. Step 2: Convert to fraction form
   231,324/345,060.50 = 345,060.50/x
3. Step 3: Cross multiply
   231,324x = 345,060.50 × 345,060.50
4. Step 4: Simplify right side
   231,324x = 119,066,748,660.25
5. Step 5: Solve for x
   x = 119,066,748,660.25/231,324
6. Step 6: Final answer
   x = 514,718.53