Finding the Third Proportional to 296,388 and 459,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,388 : 459,787.50 = 459,787.50 : x
2. Step 2: Convert to fraction form
   296,388/459,787.50 = 459,787.50/x
3. Step 3: Cross multiply
   296,388x = 459,787.50 × 459,787.50
4. Step 4: Simplify right side
   296,388x = 211,404,545,156.25
5. Step 5: Solve for x
   x = 211,404,545,156.25/296,388
6. Step 6: Final answer
   x = 713,269.58