Finding the Third Proportional to 874,692.50 and 1,819,215

Step by Step Solution

1. Step 1: Write the proportion equation
   874,692.50 : 1,819,215 = 1,819,215 : x
2. Step 2: Convert to fraction form
   874,692.50/1,819,215 = 1,819,215/x
3. Step 3: Cross multiply
   874,692.50x = 1,819,215 × 1,819,215
4. Step 4: Simplify right side
   874,692.50x = 3,309,543,216,225
5. Step 5: Solve for x
   x = 3,309,543,216,225/874,692.50
6. Step 6: Final answer
   x = 3,783,664.79