Finding the Third Proportional to 315,282 and 476,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   315,282 : 476,191.50 = 476,191.50 : x
2. Step 2: Convert to fraction form
   315,282/476,191.50 = 476,191.50/x
3. Step 3: Cross multiply
   315,282x = 476,191.50 × 476,191.50
4. Step 4: Simplify right side
   315,282x = 226,758,344,672.25
5. Step 5: Solve for x
   x = 226,758,344,672.25/315,282
6. Step 6: Final answer
   x = 719,223.88