Finding the Third Proportional to 1,214,562 and 1,815,151

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,562 : 1,815,151 = 1,815,151 : x
2. Step 2: Convert to fraction form
   1,214,562/1,815,151 = 1,815,151/x
3. Step 3: Cross multiply
   1,214,562x = 1,815,151 × 1,815,151
4. Step 4: Simplify right side
   1,214,562x = 3,294,773,152,801
5. Step 5: Solve for x
   x = 3,294,773,152,801/1,214,562
6. Step 6: Final answer
   x = 2,712,725.37