Finding the Third Proportional to 104,360 and 139,810

Step by Step Solution

1. Step 1: Write the proportion equation
   104,360 : 139,810 = 139,810 : x
2. Step 2: Convert to fraction form
   104,360/139,810 = 139,810/x
3. Step 3: Cross multiply
   104,360x = 139,810 × 139,810
4. Step 4: Simplify right side
   104,360x = 19,546,836,100
5. Step 5: Solve for x
   x = 19,546,836,100/104,360
6. Step 6: Final answer
   x = 187,301.99