Finding the Third Proportional to 618,275 and 1,356,106

Step by Step Solution

1. Step 1: Write the proportion equation
   618,275 : 1,356,106 = 1,356,106 : x
2. Step 2: Convert to fraction form
   618,275/1,356,106 = 1,356,106/x
3. Step 3: Cross multiply
   618,275x = 1,356,106 × 1,356,106
4. Step 4: Simplify right side
   618,275x = 1,839,023,483,236
5. Step 5: Solve for x
   x = 1,839,023,483,236/618,275
6. Step 6: Final answer
   x = 2,974,442.58