Finding the Third Proportional to 122,003,365.50 and 268,217,460

Step by Step Solution

1. Step 1: Write the proportion equation
   122,003,365.50 : 268,217,460 = 268,217,460 : x
2. Step 2: Convert to fraction form
   122,003,365.50/268,217,460 = 268,217,460/x
3. Step 3: Cross multiply
   122,003,365.50x = 268,217,460 × 268,217,460
4. Step 4: Simplify right side
   122,003,365.50x = 71,940,605,848,851,600
5. Step 5: Solve for x
   x = 71,940,605,848,851,600/122,003,365.50
6. Step 6: Final answer
   x = 589,660,830.70