Finding the Third Proportional to 596,217 and 886,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   596,217 : 886,216.50 = 886,216.50 : x
2. Step 2: Convert to fraction form
   596,217/886,216.50 = 886,216.50/x
3. Step 3: Cross multiply
   596,217x = 886,216.50 × 886,216.50
4. Step 4: Simplify right side
   596,217x = 785,379,684,872.25
5. Step 5: Solve for x
   x = 785,379,684,872.25/596,217
6. Step 6: Final answer
   x = 1,317,271.54