Finding the Third Proportional to 1,947,366 and 4,237,590

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947,366 : 4,237,590 = 4,237,590 : x
2. Step 2: Convert to fraction form
   1,947,366/4,237,590 = 4,237,590/x
3. Step 3: Cross multiply
   1,947,366x = 4,237,590 × 4,237,590
4. Step 4: Simplify right side
   1,947,366x = 17,957,169,008,100
5. Step 5: Solve for x
   x = 17,957,169,008,100/1,947,366
6. Step 6: Final answer
   x = 9,221,260.41