Finding the Third Proportional to 1,393,143 and 2,845,322

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,143 : 2,845,322 = 2,845,322 : x
2. Step 2: Convert to fraction form
   1,393,143/2,845,322 = 2,845,322/x
3. Step 3: Cross multiply
   1,393,143x = 2,845,322 × 2,845,322
4. Step 4: Simplify right side
   1,393,143x = 8,095,857,283,684
5. Step 5: Solve for x
   x = 8,095,857,283,684/1,393,143
6. Step 6: Final answer
   x = 5,811,217.72