Finding the Third Proportional to 366,234 and 787,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   366,234 : 787,690.50 = 787,690.50 : x
2. Step 2: Convert to fraction form
   366,234/787,690.50 = 787,690.50/x
3. Step 3: Cross multiply
   366,234x = 787,690.50 × 787,690.50
4. Step 4: Simplify right side
   366,234x = 620,456,323,790.25
5. Step 5: Solve for x
   x = 620,456,323,790.25/366,234
6. Step 6: Final answer
   x = 1,694,152.71