Finding the Third Proportional to 249,858 and 383,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,858 : 383,812.50 = 383,812.50 : x
2. Step 2: Convert to fraction form
   249,858/383,812.50 = 383,812.50/x
3. Step 3: Cross multiply
   249,858x = 383,812.50 × 383,812.50
4. Step 4: Simplify right side
   249,858x = 147,312,035,156.25
5. Step 5: Solve for x
   x = 147,312,035,156.25/249,858
6. Step 6: Final answer
   x = 589,583.02