Finding the Third Proportional to 117,150,928 and 243,998,328

Step by Step Solution

1. Step 1: Write the proportion equation
   117,150,928 : 243,998,328 = 243,998,328 : x
2. Step 2: Convert to fraction form
   117,150,928/243,998,328 = 243,998,328/x
3. Step 3: Cross multiply
   117,150,928x = 243,998,328 × 243,998,328
4. Step 4: Simplify right side
   117,150,928x = 59,535,184,066,795,584
5. Step 5: Solve for x
   x = 59,535,184,066,795,584/117,150,928
6. Step 6: Final answer
   x = 508,192,167.86