Finding the Third Proportional to 544,029 and 816,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   544,029 : 816,517.50 = 816,517.50 : x
2. Step 2: Convert to fraction form
   544,029/816,517.50 = 816,517.50/x
3. Step 3: Cross multiply
   544,029x = 816,517.50 × 816,517.50
4. Step 4: Simplify right side
   544,029x = 666,700,827,806.25
5. Step 5: Solve for x
   x = 666,700,827,806.25/544,029
6. Step 6: Final answer
   x = 1,225,487.66