Finding the Third Proportional to 408,139.25 and 953,072

Step by Step Solution

1. Step 1: Write the proportion equation
   408,139.25 : 953,072 = 953,072 : x
2. Step 2: Convert to fraction form
   408,139.25/953,072 = 953,072/x
3. Step 3: Cross multiply
   408,139.25x = 953,072 × 953,072
4. Step 4: Simplify right side
   408,139.25x = 908,346,237,184
5. Step 5: Solve for x
   x = 908,346,237,184/408,139.25
6. Step 6: Final answer
   x = 2,225,579.23