Finding the Third Proportional to 1,939,762 and 4,215,284

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,762 : 4,215,284 = 4,215,284 : x
2. Step 2: Convert to fraction form
   1,939,762/4,215,284 = 4,215,284/x
3. Step 3: Cross multiply
   1,939,762x = 4,215,284 × 4,215,284
4. Step 4: Simplify right side
   1,939,762x = 17,768,619,200,656
5. Step 5: Solve for x
   x = 17,768,619,200,656/1,939,762
6. Step 6: Final answer
   x = 9,160,205.84