Finding the Third Proportional to 619,392 and 1,340,160

Step by Step Solution

1. Step 1: Write the proportion equation
   619,392 : 1,340,160 = 1,340,160 : x
2. Step 2: Convert to fraction form
   619,392/1,340,160 = 1,340,160/x
3. Step 3: Cross multiply
   619,392x = 1,340,160 × 1,340,160
4. Step 4: Simplify right side
   619,392x = 1,796,028,825,600
5. Step 5: Solve for x
   x = 1,796,028,825,600/619,392
6. Step 6: Final answer
   x = 2,899,664.23