Finding the Third Proportional to 549,452 and 849,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   549,452 : 849,086.50 = 849,086.50 : x
2. Step 2: Convert to fraction form
   549,452/849,086.50 = 849,086.50/x
3. Step 3: Cross multiply
   549,452x = 849,086.50 × 849,086.50
4. Step 4: Simplify right side
   549,452x = 720,947,884,482.25
5. Step 5: Solve for x
   x = 720,947,884,482.25/549,452
6. Step 6: Final answer
   x = 1,312,121.69