Finding the Third Proportional to 851,947 and 1,817,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   851,947 : 1,817,556.50 = 1,817,556.50 : x
2. Step 2: Convert to fraction form
   851,947/1,817,556.50 = 1,817,556.50/x
3. Step 3: Cross multiply
   851,947x = 1,817,556.50 × 1,817,556.50
4. Step 4: Simplify right side
   851,947x = 3,303,511,630,692.25
5. Step 5: Solve for x
   x = 3,303,511,630,692.25/851,947
6. Step 6: Final answer
   x = 3,877,602.28