Finding the Third Proportional to 233,428.50 and 360,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   233,428.50 : 360,499.50 = 360,499.50 : x
2. Step 2: Convert to fraction form
   233,428.50/360,499.50 = 360,499.50/x
3. Step 3: Cross multiply
   233,428.50x = 360,499.50 × 360,499.50
4. Step 4: Simplify right side
   233,428.50x = 129,959,889,500.25
5. Step 5: Solve for x
   x = 129,959,889,500.25/233,428.50
6. Step 6: Final answer
   x = 556,743.88