Finding the Third Proportional to 38,854,168 and 57,021,540

Step by Step Solution

1. Step 1: Write the proportion equation
   38,854,168 : 57,021,540 = 57,021,540 : x
2. Step 2: Convert to fraction form
   38,854,168/57,021,540 = 57,021,540/x
3. Step 3: Cross multiply
   38,854,168x = 57,021,540 × 57,021,540
4. Step 4: Simplify right side
   38,854,168x = 3,251,456,023,971,600
5. Step 5: Solve for x
   x = 3,251,456,023,971,600/38,854,168
6. Step 6: Final answer
   x = 83,683,583.80