Finding the Third Proportional to 600,216 and 877,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   600,216 : 877,858.50 = 877,858.50 : x
2. Step 2: Convert to fraction form
   600,216/877,858.50 = 877,858.50/x
3. Step 3: Cross multiply
   600,216x = 877,858.50 × 877,858.50
4. Step 4: Simplify right side
   600,216x = 770,635,546,022.25
5. Step 5: Solve for x
   x = 770,635,546,022.25/600,216
6. Step 6: Final answer
   x = 1,283,930.36