Finding the Third Proportional to 40,903,638 and 65,117,187

Step by Step Solution

1. Step 1: Write the proportion equation
   40,903,638 : 65,117,187 = 65,117,187 : x
2. Step 2: Convert to fraction form
   40,903,638/65,117,187 = 65,117,187/x
3. Step 3: Cross multiply
   40,903,638x = 65,117,187 × 65,117,187
4. Step 4: Simplify right side
   40,903,638x = 4,240,248,042,792,969
5. Step 5: Solve for x
   x = 4,240,248,042,792,969/40,903,638
6. Step 6: Final answer
   x = 103,664,325.48