Finding the Third Proportional to 342,963 and 751,306.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,963 : 751,306.50 = 751,306.50 : x
2. Step 2: Convert to fraction form
   342,963/751,306.50 = 751,306.50/x
3. Step 3: Cross multiply
   342,963x = 751,306.50 × 751,306.50
4. Step 4: Simplify right side
   342,963x = 564,461,456,942.25
5. Step 5: Solve for x
   x = 564,461,456,942.25/342,963
6. Step 6: Final answer
   x = 1,645,837.76