Finding the Third Proportional to 1,972,120 and 2,818,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,120 : 2,818,212 = 2,818,212 : x
2. Step 2: Convert to fraction form
   1,972,120/2,818,212 = 2,818,212/x
3. Step 3: Cross multiply
   1,972,120x = 2,818,212 × 2,818,212
4. Step 4: Simplify right side
   1,972,120x = 7,942,318,876,944
5. Step 5: Solve for x
   x = 7,942,318,876,944/1,972,120
6. Step 6: Final answer
   x = 4,027,300.00