Finding the Third Proportional to 223,130 and 490,546.50

Step by Step Solution

1. Step 1: Write the proportion equation
   223,130 : 490,546.50 = 490,546.50 : x
2. Step 2: Convert to fraction form
   223,130/490,546.50 = 490,546.50/x
3. Step 3: Cross multiply
   223,130x = 490,546.50 × 490,546.50
4. Step 4: Simplify right side
   223,130x = 240,635,868,662.25
5. Step 5: Solve for x
   x = 240,635,868,662.25/223,130
6. Step 6: Final answer
   x = 1,078,455.92