Finding the Third Proportional to 105,324,097.50 and 139,753,856.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,324,097.50 : 139,753,856.25 = 139,753,856.25 : x
2. Step 2: Convert to fraction form
   105,324,097.50/139,753,856.25 = 139,753,856.25/x
3. Step 3: Cross multiply
   105,324,097.50x = 139,753,856.25 × 139,753,856.25
4. Step 4: Simplify right side
   105,324,097.50x = 19,531,140,336,745,664
5. Step 5: Solve for x
   x = 19,531,140,336,745,664/105,324,097.50
6. Step 6: Final answer
   x = 185,438,478.00