Finding the Third Proportional to 308,461.50 and 714,020.25

Step by Step Solution

1. Step 1: Write the proportion equation
   308,461.50 : 714,020.25 = 714,020.25 : x
2. Step 2: Convert to fraction form
   308,461.50/714,020.25 = 714,020.25/x
3. Step 3: Cross multiply
   308,461.50x = 714,020.25 × 714,020.25
4. Step 4: Simplify right side
   308,461.50x = 509,824,917,410.06
5. Step 5: Solve for x
   x = 509,824,917,410.06/308,461.50
6. Step 6: Final answer
   x = 1,652,799.19