Finding the Third Proportional to 104,373 and 139,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,373 : 139,828.50 = 139,828.50 : x
2. Step 2: Convert to fraction form
   104,373/139,828.50 = 139,828.50/x
3. Step 3: Cross multiply
   104,373x = 139,828.50 × 139,828.50
4. Step 4: Simplify right side
   104,373x = 19,552,009,412.25
5. Step 5: Solve for x
   x = 19,552,009,412.25/104,373
6. Step 6: Final answer
   x = 187,328.23