Finding the Third Proportional to 852,540 and 1,272,960

Step by Step Solution

1. Step 1: Write the proportion equation
   852,540 : 1,272,960 = 1,272,960 : x
2. Step 2: Convert to fraction form
   852,540/1,272,960 = 1,272,960/x
3. Step 3: Cross multiply
   852,540x = 1,272,960 × 1,272,960
4. Step 4: Simplify right side
   852,540x = 1,620,427,161,600
5. Step 5: Solve for x
   x = 1,620,427,161,600/852,540
6. Step 6: Final answer
   x = 1,900,705.14