Finding the Third Proportional to 300,207.94 and 456,498.28

Step by Step Solution

1. Step 1: Write the proportion equation
   300,207.94 : 456,498.28 = 456,498.28 : x
2. Step 2: Convert to fraction form
   300,207.94/456,498.28 = 456,498.28/x
3. Step 3: Cross multiply
   300,207.94x = 456,498.28 × 456,498.28
4. Step 4: Simplify right side
   300,207.94x = 208,390,680,784.20
5. Step 5: Solve for x
   x = 208,390,680,784.20/300,207.94
6. Step 6: Final answer
   x = 694,154.47