Finding the Third Proportional to 1,299,832 and 2,805,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,832 : 2,805,178 = 2,805,178 : x
2. Step 2: Convert to fraction form
   1,299,832/2,805,178 = 2,805,178/x
3. Step 3: Cross multiply
   1,299,832x = 2,805,178 × 2,805,178
4. Step 4: Simplify right side
   1,299,832x = 7,869,023,611,684
5. Step 5: Solve for x
   x = 7,869,023,611,684/1,299,832
6. Step 6: Final answer
   x = 6,053,877.43