Finding the Third Proportional to 207,528.50 and 453,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,528.50 : 453,499.50 = 453,499.50 : x
2. Step 2: Convert to fraction form
   207,528.50/453,499.50 = 453,499.50/x
3. Step 3: Cross multiply
   207,528.50x = 453,499.50 × 453,499.50
4. Step 4: Simplify right side
   207,528.50x = 205,661,796,500.25
5. Step 5: Solve for x
   x = 205,661,796,500.25/207,528.50
6. Step 6: Final answer
   x = 991,005.07