Finding the Third Proportional to 202,389 and 301,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   202,389 : 301,941.50 = 301,941.50 : x
2. Step 2: Convert to fraction form
   202,389/301,941.50 = 301,941.50/x
3. Step 3: Cross multiply
   202,389x = 301,941.50 × 301,941.50
4. Step 4: Simplify right side
   202,389x = 91,168,669,422.25
5. Step 5: Solve for x
   x = 91,168,669,422.25/202,389
6. Step 6: Final answer
   x = 450,462.57