Finding the Third Proportional to 363,270 and 498,670.88

Step by Step Solution

1. Step 1: Write the proportion equation
   363,270 : 498,670.88 = 498,670.88 : x
2. Step 2: Convert to fraction form
   363,270/498,670.88 = 498,670.88/x
3. Step 3: Cross multiply
   363,270x = 498,670.88 × 498,670.88
4. Step 4: Simplify right side
   363,270x = 248,672,641,573.27
5. Step 5: Solve for x
   x = 248,672,641,573.27/363,270
6. Step 6: Final answer
   x = 684,539.44