Finding the Third Proportional to 215,492 and 341,054

Step by Step Solution

1. Step 1: Write the proportion equation
   215,492 : 341,054 = 341,054 : x
2. Step 2: Convert to fraction form
   215,492/341,054 = 341,054/x
3. Step 3: Cross multiply
   215,492x = 341,054 × 341,054
4. Step 4: Simplify right side
   215,492x = 116,317,830,916
5. Step 5: Solve for x
   x = 116,317,830,916/215,492
6. Step 6: Final answer
   x = 539,777.95