Finding the Third Proportional to 488,405 and 1,046,889

Step by Step Solution

1. Step 1: Write the proportion equation
   488,405 : 1,046,889 = 1,046,889 : x
2. Step 2: Convert to fraction form
   488,405/1,046,889 = 1,046,889/x
3. Step 3: Cross multiply
   488,405x = 1,046,889 × 1,046,889
4. Step 4: Simplify right side
   488,405x = 1,095,976,578,321
5. Step 5: Solve for x
   x = 1,095,976,578,321/488,405
6. Step 6: Final answer
   x = 2,243,991.32