Finding the Third Proportional to 308,002.50 and 715,574.25

Step by Step Solution

1. Step 1: Write the proportion equation
   308,002.50 : 715,574.25 = 715,574.25 : x
2. Step 2: Convert to fraction form
   308,002.50/715,574.25 = 715,574.25/x
3. Step 3: Cross multiply
   308,002.50x = 715,574.25 × 715,574.25
4. Step 4: Simplify right side
   308,002.50x = 512,046,507,263.06
5. Step 5: Solve for x
   x = 512,046,507,263.06/308,002.50
6. Step 6: Final answer
   x = 1,662,475.17