Finding the Third Proportional to 235,807.50 and 509,136

Step by Step Solution

1. Step 1: Write the proportion equation
   235,807.50 : 509,136 = 509,136 : x
2. Step 2: Convert to fraction form
   235,807.50/509,136 = 509,136/x
3. Step 3: Cross multiply
   235,807.50x = 509,136 × 509,136
4. Step 4: Simplify right side
   235,807.50x = 259,219,466,496
5. Step 5: Solve for x
   x = 259,219,466,496/235,807.50
6. Step 6: Final answer
   x = 1,099,284.23