Finding the Third Proportional to 856,658 and 1,285,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   856,658 : 1,285,150.50 = 1,285,150.50 : x
2. Step 2: Convert to fraction form
   856,658/1,285,150.50 = 1,285,150.50/x
3. Step 3: Cross multiply
   856,658x = 1,285,150.50 × 1,285,150.50
4. Step 4: Simplify right side
   856,658x = 1,651,611,807,650.25
5. Step 5: Solve for x
   x = 1,651,611,807,650.25/856,658
6. Step 6: Final answer
   x = 1,927,971.03