Finding the Third Proportional to 33,166,878 and 71,766,510

Step by Step Solution

1. Step 1: Write the proportion equation
   33,166,878 : 71,766,510 = 71,766,510 : x
2. Step 2: Convert to fraction form
   33,166,878/71,766,510 = 71,766,510/x
3. Step 3: Cross multiply
   33,166,878x = 71,766,510 × 71,766,510
4. Step 4: Simplify right side
   33,166,878x = 5,150,431,957,580,100
5. Step 5: Solve for x
   x = 5,150,431,957,580,100/33,166,878
6. Step 6: Final answer
   x = 155,288,416.28