Finding the Third Proportional to 625,274 and 1,272,648

Step by Step Solution

1. Step 1: Write the proportion equation
   625,274 : 1,272,648 = 1,272,648 : x
2. Step 2: Convert to fraction form
   625,274/1,272,648 = 1,272,648/x
3. Step 3: Cross multiply
   625,274x = 1,272,648 × 1,272,648
4. Step 4: Simplify right side
   625,274x = 1,619,632,931,904
5. Step 5: Solve for x
   x = 1,619,632,931,904/625,274
6. Step 6: Final answer
   x = 2,590,277.11