Finding the Third Proportional to 309,200.06 and 472,995.98

Step by Step Solution

1. Step 1: Write the proportion equation
   309,200.06 : 472,995.98 = 472,995.98 : x
2. Step 2: Convert to fraction form
   309,200.06/472,995.98 = 472,995.98/x
3. Step 3: Cross multiply
   309,200.06x = 472,995.98 × 472,995.98
4. Step 4: Simplify right side
   309,200.06x = 223,725,201,234.88
5. Step 5: Solve for x
   x = 223,725,201,234.88/309,200.06
6. Step 6: Final answer
   x = 723,561.31