Finding the Third Proportional to 1,192,428 and 1,772,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,428 : 1,772,424 = 1,772,424 : x
2. Step 2: Convert to fraction form
   1,192,428/1,772,424 = 1,772,424/x
3. Step 3: Cross multiply
   1,192,428x = 1,772,424 × 1,772,424
4. Step 4: Simplify right side
   1,192,428x = 3,141,486,835,776
5. Step 5: Solve for x
   x = 3,141,486,835,776/1,192,428
6. Step 6: Final answer
   x = 2,634,529.58