Finding the Third Proportional to 209,726 and 456,314

Step by Step Solution

1. Step 1: Write the proportion equation
   209,726 : 456,314 = 456,314 : x
2. Step 2: Convert to fraction form
   209,726/456,314 = 456,314/x
3. Step 3: Cross multiply
   209,726x = 456,314 × 456,314
4. Step 4: Simplify right side
   209,726x = 208,222,466,596
5. Step 5: Solve for x
   x = 208,222,466,596/209,726
6. Step 6: Final answer
   x = 992,830.96