Finding the Third Proportional to 459,308 and 653,238

Step by Step Solution

1. Step 1: Write the proportion equation
   459,308 : 653,238 = 653,238 : x
2. Step 2: Convert to fraction form
   459,308/653,238 = 653,238/x
3. Step 3: Cross multiply
   459,308x = 653,238 × 653,238
4. Step 4: Simplify right side
   459,308x = 426,719,884,644
5. Step 5: Solve for x
   x = 426,719,884,644/459,308
6. Step 6: Final answer
   x = 929,049.54