Finding the Third Proportional to 102,946 and 223,940

Step by Step Solution

1. Step 1: Write the proportion equation
   102,946 : 223,940 = 223,940 : x
2. Step 2: Convert to fraction form
   102,946/223,940 = 223,940/x
3. Step 3: Cross multiply
   102,946x = 223,940 × 223,940
4. Step 4: Simplify right side
   102,946x = 50,149,123,600
5. Step 5: Solve for x
   x = 50,149,123,600/102,946
6. Step 6: Final answer
   x = 487,140.09