Finding the Third Proportional to 914,120 and 1,980,778

Step by Step Solution

1. Step 1: Write the proportion equation
   914,120 : 1,980,778 = 1,980,778 : x
2. Step 2: Convert to fraction form
   914,120/1,980,778 = 1,980,778/x
3. Step 3: Cross multiply
   914,120x = 1,980,778 × 1,980,778
4. Step 4: Simplify right side
   914,120x = 3,923,481,485,284
5. Step 5: Solve for x
   x = 3,923,481,485,284/914,120
6. Step 6: Final answer
   x = 4,292,085.82