Finding the Third Proportional to 342,968.50 and 738,614

Step by Step Solution

1. Step 1: Write the proportion equation
   342,968.50 : 738,614 = 738,614 : x
2. Step 2: Convert to fraction form
   342,968.50/738,614 = 738,614/x
3. Step 3: Cross multiply
   342,968.50x = 738,614 × 738,614
4. Step 4: Simplify right side
   342,968.50x = 545,550,640,996
5. Step 5: Solve for x
   x = 545,550,640,996/342,968.50
6. Step 6: Final answer
   x = 1,590,672.73