Finding the Third Proportional to 286,615.50 and 624,732

Step by Step Solution

1. Step 1: Write the proportion equation
   286,615.50 : 624,732 = 624,732 : x
2. Step 2: Convert to fraction form
   286,615.50/624,732 = 624,732/x
3. Step 3: Cross multiply
   286,615.50x = 624,732 × 624,732
4. Step 4: Simplify right side
   286,615.50x = 390,290,071,824
5. Step 5: Solve for x
   x = 390,290,071,824/286,615.50
6. Step 6: Final answer
   x = 1,361,720.05