Finding the Third Proportional to 1,276,142 and 2,803,858

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,142 : 2,803,858 = 2,803,858 : x
2. Step 2: Convert to fraction form
   1,276,142/2,803,858 = 2,803,858/x
3. Step 3: Cross multiply
   1,276,142x = 2,803,858 × 2,803,858
4. Step 4: Simplify right side
   1,276,142x = 7,861,619,684,164
5. Step 5: Solve for x
   x = 7,861,619,684,164/1,276,142
6. Step 6: Final answer
   x = 6,160,458.38