Finding the Third Proportional to 1,905,834 and 4,189,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905,834 : 4,189,536 = 4,189,536 : x
2. Step 2: Convert to fraction form
   1,905,834/4,189,536 = 4,189,536/x
3. Step 3: Cross multiply
   1,905,834x = 4,189,536 × 4,189,536
4. Step 4: Simplify right side
   1,905,834x = 17,552,211,895,296
5. Step 5: Solve for x
   x = 17,552,211,895,296/1,905,834
6. Step 6: Final answer
   x = 9,209,727.55