Finding the Third Proportional to 408,138.50 and 953,070

Step by Step Solution

1. Step 1: Write the proportion equation
   408,138.50 : 953,070 = 953,070 : x
2. Step 2: Convert to fraction form
   408,138.50/953,070 = 953,070/x
3. Step 3: Cross multiply
   408,138.50x = 953,070 × 953,070
4. Step 4: Simplify right side
   408,138.50x = 908,342,424,900
5. Step 5: Solve for x
   x = 908,342,424,900/408,138.50
6. Step 6: Final answer
   x = 2,225,573.98