Finding the Third Proportional to 290,751.50 and 616,732

Step by Step Solution

1. Step 1: Write the proportion equation
   290,751.50 : 616,732 = 616,732 : x
2. Step 2: Convert to fraction form
   290,751.50/616,732 = 616,732/x
3. Step 3: Cross multiply
   290,751.50x = 616,732 × 616,732
4. Step 4: Simplify right side
   290,751.50x = 380,358,359,824
5. Step 5: Solve for x
   x = 380,358,359,824/290,751.50
6. Step 6: Final answer
   x = 1,308,190.53