Finding the Third Proportional to 229,870 and 487,106

Step by Step Solution

1. Step 1: Write the proportion equation
   229,870 : 487,106 = 487,106 : x
2. Step 2: Convert to fraction form
   229,870/487,106 = 487,106/x
3. Step 3: Cross multiply
   229,870x = 487,106 × 487,106
4. Step 4: Simplify right side
   229,870x = 237,272,255,236
5. Step 5: Solve for x
   x = 237,272,255,236/229,870
6. Step 6: Final answer
   x = 1,032,201.92