Finding the Third Proportional to 202,554.50 and 436,510

Step by Step Solution

1. Step 1: Write the proportion equation
   202,554.50 : 436,510 = 436,510 : x
2. Step 2: Convert to fraction form
   202,554.50/436,510 = 436,510/x
3. Step 3: Cross multiply
   202,554.50x = 436,510 × 436,510
4. Step 4: Simplify right side
   202,554.50x = 190,540,980,100
5. Step 5: Solve for x
   x = 190,540,980,100/202,554.50
6. Step 6: Final answer
   x = 940,689.94