Finding the Third Proportional to 231,812 and 488,946

Step by Step Solution

1. Step 1: Write the proportion equation
   231,812 : 488,946 = 488,946 : x
2. Step 2: Convert to fraction form
   231,812/488,946 = 488,946/x
3. Step 3: Cross multiply
   231,812x = 488,946 × 488,946
4. Step 4: Simplify right side
   231,812x = 239,068,190,916
5. Step 5: Solve for x
   x = 239,068,190,916/231,812
6. Step 6: Final answer
   x = 1,031,302.05