Finding the Third Proportional to 863,284.50 and 1,877,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   863,284.50 : 1,877,788.50 = 1,877,788.50 : x
2. Step 2: Convert to fraction form
   863,284.50/1,877,788.50 = 1,877,788.50/x
3. Step 3: Cross multiply
   863,284.50x = 1,877,788.50 × 1,877,788.50
4. Step 4: Simplify right side
   863,284.50x = 3,526,089,650,732.25
5. Step 5: Solve for x
   x = 3,526,089,650,732.25/863,284.50
6. Step 6: Final answer
   x = 4,084,504.76