Finding the Third Proportional to 549,303 and 850,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   549,303 : 850,090.50 = 850,090.50 : x
2. Step 2: Convert to fraction form
   549,303/850,090.50 = 850,090.50/x
3. Step 3: Cross multiply
   549,303x = 850,090.50 × 850,090.50
4. Step 4: Simplify right side
   549,303x = 722,653,858,190.25
5. Step 5: Solve for x
   x = 722,653,858,190.25/549,303
6. Step 6: Final answer
   x = 1,315,583.31