Finding the Third Proportional to 546,889.50 and 855,954

Step by Step Solution

1. Step 1: Write the proportion equation
   546,889.50 : 855,954 = 855,954 : x
2. Step 2: Convert to fraction form
   546,889.50/855,954 = 855,954/x
3. Step 3: Cross multiply
   546,889.50x = 855,954 × 855,954
4. Step 4: Simplify right side
   546,889.50x = 732,657,250,116
5. Step 5: Solve for x
   x = 732,657,250,116/546,889.50
6. Step 6: Final answer
   x = 1,339,680.59