Finding the Third Proportional to 546,849 and 856,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   546,849 : 856,114.50 = 856,114.50 : x
2. Step 2: Convert to fraction form
   546,849/856,114.50 = 856,114.50/x
3. Step 3: Cross multiply
   546,849x = 856,114.50 × 856,114.50
4. Step 4: Simplify right side
   546,849x = 732,932,037,110.25
5. Step 5: Solve for x
   x = 732,932,037,110.25/546,849
6. Step 6: Final answer
   x = 1,340,282.30