Finding the Third Proportional to 1,427,760 and 2,210,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,760 : 2,210,760 = 2,210,760 : x
2. Step 2: Convert to fraction form
   1,427,760/2,210,760 = 2,210,760/x
3. Step 3: Cross multiply
   1,427,760x = 2,210,760 × 2,210,760
4. Step 4: Simplify right side
   1,427,760x = 4,887,459,777,600
5. Step 5: Solve for x
   x = 4,887,459,777,600/1,427,760
6. Step 6: Final answer
   x = 3,423,166.20