Finding the Third Proportional to 104,349 and 139,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,349 : 139,792.50 = 139,792.50 : x
2. Step 2: Convert to fraction form
   104,349/139,792.50 = 139,792.50/x
3. Step 3: Cross multiply
   104,349x = 139,792.50 × 139,792.50
4. Step 4: Simplify right side
   104,349x = 19,541,943,056.25
5. Step 5: Solve for x
   x = 19,541,943,056.25/104,349
6. Step 6: Final answer
   x = 187,274.85