Finding the Third Proportional to 302,614.50 and 651,912

Step by Step Solution

1. Step 1: Write the proportion equation
   302,614.50 : 651,912 = 651,912 : x
2. Step 2: Convert to fraction form
   302,614.50/651,912 = 651,912/x
3. Step 3: Cross multiply
   302,614.50x = 651,912 × 651,912
4. Step 4: Simplify right side
   302,614.50x = 424,989,255,744
5. Step 5: Solve for x
   x = 424,989,255,744/302,614.50
6. Step 6: Final answer
   x = 1,404,391.58