Finding the Third Proportional to 147,485.25 and 346,680

Step by Step Solution

1. Step 1: Write the proportion equation
   147,485.25 : 346,680 = 346,680 : x
2. Step 2: Convert to fraction form
   147,485.25/346,680 = 346,680/x
3. Step 3: Cross multiply
   147,485.25x = 346,680 × 346,680
4. Step 4: Simplify right side
   147,485.25x = 120,187,022,400
5. Step 5: Solve for x
   x = 120,187,022,400/147,485.25
6. Step 6: Final answer
   x = 814,908.76