Finding the Third Proportional to 105,324,100.50 and 139,753,860

Step by Step Solution

1. Step 1: Write the proportion equation
   105,324,100.50 : 139,753,860 = 139,753,860 : x
2. Step 2: Convert to fraction form
   105,324,100.50/139,753,860 = 139,753,860/x
3. Step 3: Cross multiply
   105,324,100.50x = 139,753,860 × 139,753,860
4. Step 4: Simplify right side
   105,324,100.50x = 19,531,141,384,899,600
5. Step 5: Solve for x
   x = 19,531,141,384,899,600/105,324,100.50
6. Step 6: Final answer
   x = 185,438,482.67