Finding the Third Proportional to 476,391 and 1,021,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   476,391 : 1,021,855.50 = 1,021,855.50 : x
2. Step 2: Convert to fraction form
   476,391/1,021,855.50 = 1,021,855.50/x
3. Step 3: Cross multiply
   476,391x = 1,021,855.50 × 1,021,855.50
4. Step 4: Simplify right side
   476,391x = 1,044,188,662,880.25
5. Step 5: Solve for x
   x = 1,044,188,662,880.25/476,391
6. Step 6: Final answer
   x = 2,191,873.19