Finding the Third Proportional to 104,799 and 148,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,799 : 148,147.50 = 148,147.50 : x
2. Step 2: Convert to fraction form
   104,799/148,147.50 = 148,147.50/x
3. Step 3: Cross multiply
   104,799x = 148,147.50 × 148,147.50
4. Step 4: Simplify right side
   104,799x = 21,947,681,756.25
5. Step 5: Solve for x
   x = 21,947,681,756.25/104,799
6. Step 6: Final answer
   x = 209,426.44