Finding the Third Proportional to 547,968 and 859,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   547,968 : 859,816.50 = 859,816.50 : x
2. Step 2: Convert to fraction form
   547,968/859,816.50 = 859,816.50/x
3. Step 3: Cross multiply
   547,968x = 859,816.50 × 859,816.50
4. Step 4: Simplify right side
   547,968x = 739,284,413,672.25
5. Step 5: Solve for x
   x = 739,284,413,672.25/547,968
6. Step 6: Final answer
   x = 1,349,137.93