Finding the Third Proportional to 1,906,170 and 4,191,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906,170 : 4,191,412 = 4,191,412 : x
2. Step 2: Convert to fraction form
   1,906,170/4,191,412 = 4,191,412/x
3. Step 3: Cross multiply
   1,906,170x = 4,191,412 × 4,191,412
4. Step 4: Simplify right side
   1,906,170x = 17,567,934,553,744
5. Step 5: Solve for x
   x = 17,567,934,553,744/1,906,170
6. Step 6: Final answer
   x = 9,216,352.45