Finding the Third Proportional to 105,324,100 and 139,753,859

Step by Step Solution

1. Step 1: Write the proportion equation
   105,324,100 : 139,753,859 = 139,753,859 : x
2. Step 2: Convert to fraction form
   105,324,100/139,753,859 = 139,753,859/x
3. Step 3: Cross multiply
   105,324,100x = 139,753,859 × 139,753,859
4. Step 4: Simplify right side
   105,324,100x = 19,531,141,105,391,880
5. Step 5: Solve for x
   x = 19,531,141,105,391,880/105,324,100
6. Step 6: Final answer
   x = 185,438,480.89