Finding the Third Proportional to 208,468 and 456,152

Step by Step Solution

1. Step 1: Write the proportion equation
   208,468 : 456,152 = 456,152 : x
2. Step 2: Convert to fraction form
   208,468/456,152 = 456,152/x
3. Step 3: Cross multiply
   208,468x = 456,152 × 456,152
4. Step 4: Simplify right side
   208,468x = 208,074,647,104
5. Step 5: Solve for x
   x = 208,074,647,104/208,468
6. Step 6: Final answer
   x = 998,113.13