Finding the Third Proportional to 32,811,972 and 71,809,728

Step by Step Solution

1. Step 1: Write the proportion equation
   32,811,972 : 71,809,728 = 71,809,728 : x
2. Step 2: Convert to fraction form
   32,811,972/71,809,728 = 71,809,728/x
3. Step 3: Cross multiply
   32,811,972x = 71,809,728 × 71,809,728
4. Step 4: Simplify right side
   32,811,972x = 5,156,637,035,433,984
5. Step 5: Solve for x
   x = 5,156,637,035,433,984/32,811,972
6. Step 6: Final answer
   x = 157,157,181.39