Finding the Third Proportional to 517,817.25 and 1,071,580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   517,817.25 : 1,071,580.50 = 1,071,580.50 : x
2. Step 2: Convert to fraction form
   517,817.25/1,071,580.50 = 1,071,580.50/x
3. Step 3: Cross multiply
   517,817.25x = 1,071,580.50 × 1,071,580.50
4. Step 4: Simplify right side
   517,817.25x = 1,148,284,767,980.25
5. Step 5: Solve for x
   x = 1,148,284,767,980.25/517,817.25
6. Step 6: Final answer
   x = 2,217,548.31