Finding the Third Proportional to 147,810 and 225,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,810 : 225,406.50 = 225,406.50 : x
2. Step 2: Convert to fraction form
   147,810/225,406.50 = 225,406.50/x
3. Step 3: Cross multiply
   147,810x = 225,406.50 × 225,406.50
4. Step 4: Simplify right side
   147,810x = 50,808,090,242.25
5. Step 5: Solve for x
   x = 50,808,090,242.25/147,810
6. Step 6: Final answer
   x = 343,739.19