Finding the Third Proportional to 101,388 and 243,946

Step by Step Solution

1. Step 1: Write the proportion equation
   101,388 : 243,946 = 243,946 : x
2. Step 2: Convert to fraction form
   101,388/243,946 = 243,946/x
3. Step 3: Cross multiply
   101,388x = 243,946 × 243,946
4. Step 4: Simplify right side
   101,388x = 59,509,650,916
5. Step 5: Solve for x
   x = 59,509,650,916/101,388
6. Step 6: Final answer
   x = 586,949.65