Finding the Third Proportional to 1,890,814 and 4,047,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,814 : 4,047,412 = 4,047,412 : x
2. Step 2: Convert to fraction form
   1,890,814/4,047,412 = 4,047,412/x
3. Step 3: Cross multiply
   1,890,814x = 4,047,412 × 4,047,412
4. Step 4: Simplify right side
   1,890,814x = 16,381,543,897,744
5. Step 5: Solve for x
   x = 16,381,543,897,744/1,890,814
6. Step 6: Final answer
   x = 8,663,752.17