Finding the Third Proportional to 1,870,400 and 4,020,523

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,400 : 4,020,523 = 4,020,523 : x
2. Step 2: Convert to fraction form
   1,870,400/4,020,523 = 4,020,523/x
3. Step 3: Cross multiply
   1,870,400x = 4,020,523 × 4,020,523
4. Step 4: Simplify right side
   1,870,400x = 16,164,605,193,529
5. Step 5: Solve for x
   x = 16,164,605,193,529/1,870,400
6. Step 6: Final answer
   x = 8,642,325.27