Finding the Third Proportional to 231,378 and 469,196

Step by Step Solution

1. Step 1: Write the proportion equation
   231,378 : 469,196 = 469,196 : x
2. Step 2: Convert to fraction form
   231,378/469,196 = 469,196/x
3. Step 3: Cross multiply
   231,378x = 469,196 × 469,196
4. Step 4: Simplify right side
   231,378x = 220,144,886,416
5. Step 5: Solve for x
   x = 220,144,886,416/231,378
6. Step 6: Final answer
   x = 951,451.25