Finding the Third Proportional to 429,254 and 847,698

Step by Step Solution

1. Step 1: Write the proportion equation
   429,254 : 847,698 = 847,698 : x
2. Step 2: Convert to fraction form
   429,254/847,698 = 847,698/x
3. Step 3: Cross multiply
   429,254x = 847,698 × 847,698
4. Step 4: Simplify right side
   429,254x = 718,591,899,204
5. Step 5: Solve for x
   x = 718,591,899,204/429,254
6. Step 6: Final answer
   x = 1,674,048.23