Finding the Third Proportional to 1,272,546 and 2,740,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,546 : 2,740,140 = 2,740,140 : x
2. Step 2: Convert to fraction form
   1,272,546/2,740,140 = 2,740,140/x
3. Step 3: Cross multiply
   1,272,546x = 2,740,140 × 2,740,140
4. Step 4: Simplify right side
   1,272,546x = 7,508,367,219,600
5. Step 5: Solve for x
   x = 7,508,367,219,600/1,272,546
6. Step 6: Final answer
   x = 5,900,271.75