Finding the Third Proportional to 509,308 and 1,079,328

Step by Step Solution

1. Step 1: Write the proportion equation
   509,308 : 1,079,328 = 1,079,328 : x
2. Step 2: Convert to fraction form
   509,308/1,079,328 = 1,079,328/x
3. Step 3: Cross multiply
   509,308x = 1,079,328 × 1,079,328
4. Step 4: Simplify right side
   509,308x = 1,164,948,931,584
5. Step 5: Solve for x
   x = 1,164,948,931,584/509,308
6. Step 6: Final answer
   x = 2,287,317.17