Finding the Third Proportional to 1,276,596 and 1,890,242

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,596 : 1,890,242 = 1,890,242 : x
2. Step 2: Convert to fraction form
   1,276,596/1,890,242 = 1,890,242/x
3. Step 3: Cross multiply
   1,276,596x = 1,890,242 × 1,890,242
4. Step 4: Simplify right side
   1,276,596x = 3,573,014,818,564
5. Step 5: Solve for x
   x = 3,573,014,818,564/1,276,596
6. Step 6: Final answer
   x = 2,798,861.05