Finding the Third Proportional to 21,865,851 and 33,944,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,865,851 : 33,944,791.50 = 33,944,791.50 : x
2. Step 2: Convert to fraction form
   21,865,851/33,944,791.50 = 33,944,791.50/x
3. Step 3: Cross multiply
   21,865,851x = 33,944,791.50 × 33,944,791.50
4. Step 4: Simplify right side
   21,865,851x = 1,152,248,869,978,472.25
5. Step 5: Solve for x
   x = 1,152,248,869,978,472.25/21,865,851
6. Step 6: Final answer
   x = 52,696,273.75