Finding the Third Proportional to 1,918,260 and 4,201,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,260 : 4,201,992 = 4,201,992 : x
2. Step 2: Convert to fraction form
   1,918,260/4,201,992 = 4,201,992/x
3. Step 3: Cross multiply
   1,918,260x = 4,201,992 × 4,201,992
4. Step 4: Simplify right side
   1,918,260x = 17,656,736,768,064
5. Step 5: Solve for x
   x = 17,656,736,768,064/1,918,260
6. Step 6: Final answer
   x = 9,204,558.70