Finding the Third Proportional to 1,891,766 and 4,151,438

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,766 : 4,151,438 = 4,151,438 : x
2. Step 2: Convert to fraction form
   1,891,766/4,151,438 = 4,151,438/x
3. Step 3: Cross multiply
   1,891,766x = 4,151,438 × 4,151,438
4. Step 4: Simplify right side
   1,891,766x = 17,234,437,467,844
5. Step 5: Solve for x
   x = 17,234,437,467,844/1,891,766
6. Step 6: Final answer
   x = 9,110,237.45