Finding the Third Proportional to 27,838,298 and 42,589,479

Step by Step Solution

1. Step 1: Write the proportion equation
   27,838,298 : 42,589,479 = 42,589,479 : x
2. Step 2: Convert to fraction form
   27,838,298/42,589,479 = 42,589,479/x
3. Step 3: Cross multiply
   27,838,298x = 42,589,479 × 42,589,479
4. Step 4: Simplify right side
   27,838,298x = 1,813,863,721,491,441
5. Step 5: Solve for x
   x = 1,813,863,721,491,441/27,838,298
6. Step 6: Final answer
   x = 65,157,134.30