Finding the Third Proportional to 869,014 and 1,272,410

Step by Step Solution

1. Step 1: Write the proportion equation
   869,014 : 1,272,410 = 1,272,410 : x
2. Step 2: Convert to fraction form
   869,014/1,272,410 = 1,272,410/x
3. Step 3: Cross multiply
   869,014x = 1,272,410 × 1,272,410
4. Step 4: Simplify right side
   869,014x = 1,619,027,208,100
5. Step 5: Solve for x
   x = 1,619,027,208,100/869,014
6. Step 6: Final answer
   x = 1,863,062.28