Finding the Third Proportional to 766,243.50 and 1,149,364.50

Step by Step Solution

1. Step 1: Write the proportion equation
   766,243.50 : 1,149,364.50 = 1,149,364.50 : x
2. Step 2: Convert to fraction form
   766,243.50/1,149,364.50 = 1,149,364.50/x
3. Step 3: Cross multiply
   766,243.50x = 1,149,364.50 × 1,149,364.50
4. Step 4: Simplify right side
   766,243.50x = 1,321,038,753,860.25
5. Step 5: Solve for x
   x = 1,321,038,753,860.25/766,243.50
6. Step 6: Final answer
   x = 1,724,045.63