Finding the Third Proportional to 279,468 and 606,196

Step by Step Solution

1. Step 1: Write the proportion equation
   279,468 : 606,196 = 606,196 : x
2. Step 2: Convert to fraction form
   279,468/606,196 = 606,196/x
3. Step 3: Cross multiply
   279,468x = 606,196 × 606,196
4. Step 4: Simplify right side
   279,468x = 367,473,590,416
5. Step 5: Solve for x
   x = 367,473,590,416/279,468
6. Step 6: Final answer
   x = 1,314,904.00