Finding the Third Proportional to 1,214,535 and 1,815,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,535 : 1,815,112 = 1,815,112 : x
2. Step 2: Convert to fraction form
   1,214,535/1,815,112 = 1,815,112/x
3. Step 3: Cross multiply
   1,214,535x = 1,815,112 × 1,815,112
4. Step 4: Simplify right side
   1,214,535x = 3,294,631,572,544
5. Step 5: Solve for x
   x = 3,294,631,572,544/1,214,535
6. Step 6: Final answer
   x = 2,712,669.11