Finding the Third Proportional to 308,475 and 460,167.75

Step by Step Solution

1. Step 1: Write the proportion equation
   308,475 : 460,167.75 = 460,167.75 : x
2. Step 2: Convert to fraction form
   308,475/460,167.75 = 460,167.75/x
3. Step 3: Cross multiply
   308,475x = 460,167.75 × 460,167.75
4. Step 4: Simplify right side
   308,475x = 211,754,358,140.06
5. Step 5: Solve for x
   x = 211,754,358,140.06/308,475
6. Step 6: Final answer
   x = 686,455.49