Finding the Third Proportional to 208,492 and 455,222

Step by Step Solution

1. Step 1: Write the proportion equation
   208,492 : 455,222 = 455,222 : x
2. Step 2: Convert to fraction form
   208,492/455,222 = 455,222/x
3. Step 3: Cross multiply
   208,492x = 455,222 × 455,222
4. Step 4: Simplify right side
   208,492x = 207,227,069,284
5. Step 5: Solve for x
   x = 207,227,069,284/208,492
6. Step 6: Final answer
   x = 993,932.95