Finding the Third Proportional to 121,047 and 188,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   121,047 : 188,200.50 = 188,200.50 : x
2. Step 2: Convert to fraction form
   121,047/188,200.50 = 188,200.50/x
3. Step 3: Cross multiply
   121,047x = 188,200.50 × 188,200.50
4. Step 4: Simplify right side
   121,047x = 35,419,428,200.25
5. Step 5: Solve for x
   x = 35,419,428,200.25/121,047
6. Step 6: Final answer
   x = 292,608.89