Finding the Third Proportional to 534,916 and 783,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   534,916 : 783,171.50 = 783,171.50 : x
2. Step 2: Convert to fraction form
   534,916/783,171.50 = 783,171.50/x
3. Step 3: Cross multiply
   534,916x = 783,171.50 × 783,171.50
4. Step 4: Simplify right side
   534,916x = 613,357,598,412.25
5. Step 5: Solve for x
   x = 613,357,598,412.25/534,916
6. Step 6: Final answer
   x = 1,146,642.83