Finding the Third Proportional to 1,214,560 and 1,815,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,560 : 1,815,148 = 1,815,148 : x
2. Step 2: Convert to fraction form
   1,214,560/1,815,148 = 1,815,148/x
3. Step 3: Cross multiply
   1,214,560x = 1,815,148 × 1,815,148
4. Step 4: Simplify right side
   1,214,560x = 3,294,762,261,904
5. Step 5: Solve for x
   x = 3,294,762,261,904/1,214,560
6. Step 6: Final answer
   x = 2,712,720.87