Finding the Third Proportional to 207,558 and 456,588

Step by Step Solution

1. Step 1: Write the proportion equation
   207,558 : 456,588 = 456,588 : x
2. Step 2: Convert to fraction form
   207,558/456,588 = 456,588/x
3. Step 3: Cross multiply
   207,558x = 456,588 × 456,588
4. Step 4: Simplify right side
   207,558x = 208,472,601,744
5. Step 5: Solve for x
   x = 208,472,601,744/207,558
6. Step 6: Final answer
   x = 1,004,406.49