Finding the Third Proportional to 1,912,453 and 4,161,370

Step by Step Solution

1. Step 1: Write the proportion equation
   1,912,453 : 4,161,370 = 4,161,370 : x
2. Step 2: Convert to fraction form
   1,912,453/4,161,370 = 4,161,370/x
3. Step 3: Cross multiply
   1,912,453x = 4,161,370 × 4,161,370
4. Step 4: Simplify right side
   1,912,453x = 17,317,000,276,900
5. Step 5: Solve for x
   x = 17,317,000,276,900/1,912,453
6. Step 6: Final answer
   x = 9,054,863.19