Finding the Third Proportional to 202,563 and 439,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   202,563 : 439,483.50 = 439,483.50 : x
2. Step 2: Convert to fraction form
   202,563/439,483.50 = 439,483.50/x
3. Step 3: Cross multiply
   202,563x = 439,483.50 × 439,483.50
4. Step 4: Simplify right side
   202,563x = 193,145,746,772.25
5. Step 5: Solve for x
   x = 193,145,746,772.25/202,563
6. Step 6: Final answer
   x = 953,509.51