Finding the Third Proportional to 207,145.50 and 453,814

Step by Step Solution

1. Step 1: Write the proportion equation
   207,145.50 : 453,814 = 453,814 : x
2. Step 2: Convert to fraction form
   207,145.50/453,814 = 453,814/x
3. Step 3: Cross multiply
   207,145.50x = 453,814 × 453,814
4. Step 4: Simplify right side
   207,145.50x = 205,947,146,596
5. Step 5: Solve for x
   x = 205,947,146,596/207,145.50
6. Step 6: Final answer
   x = 994,214.92