Finding the Third Proportional to 1,890,072 and 4,042,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,072 : 4,042,416 = 4,042,416 : x
2. Step 2: Convert to fraction form
   1,890,072/4,042,416 = 4,042,416/x
3. Step 3: Cross multiply
   1,890,072x = 4,042,416 × 4,042,416
4. Step 4: Simplify right side
   1,890,072x = 16,341,127,117,056
5. Step 5: Solve for x
   x = 16,341,127,117,056/1,890,072
6. Step 6: Final answer
   x = 8,645,769.64