Finding the Third Proportional to 205,611.61 and 458,499.38

Step by Step Solution

1. Step 1: Write the proportion equation
   205,611.61 : 458,499.38 = 458,499.38 : x
2. Step 2: Convert to fraction form
   205,611.61/458,499.38 = 458,499.38/x
3. Step 3: Cross multiply
   205,611.61x = 458,499.38 × 458,499.38
4. Step 4: Simplify right side
   205,611.61x = 210,221,676,875.39
5. Step 5: Solve for x
   x = 210,221,676,875.39/205,611.61
6. Step 6: Final answer
   x = 1,022,421.24