Finding the Third Proportional to 121,363.50 and 188,435.25

Step by Step Solution

1. Step 1: Write the proportion equation
   121,363.50 : 188,435.25 = 188,435.25 : x
2. Step 2: Convert to fraction form
   121,363.50/188,435.25 = 188,435.25/x
3. Step 3: Cross multiply
   121,363.50x = 188,435.25 × 188,435.25
4. Step 4: Simplify right side
   121,363.50x = 35,507,843,442.56
5. Step 5: Solve for x
   x = 35,507,843,442.56/121,363.50
6. Step 6: Final answer
   x = 292,574.32