Finding the Third Proportional to 229,066.50 and 491,991

Step by Step Solution

1. Step 1: Write the proportion equation
   229,066.50 : 491,991 = 491,991 : x
2. Step 2: Convert to fraction form
   229,066.50/491,991 = 491,991/x
3. Step 3: Cross multiply
   229,066.50x = 491,991 × 491,991
4. Step 4: Simplify right side
   229,066.50x = 242,055,144,081
5. Step 5: Solve for x
   x = 242,055,144,081/229,066.50
6. Step 6: Final answer
   x = 1,056,702.50