Finding the Third Proportional to 1,010,909 and 1,516,839

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,909 : 1,516,839 = 1,516,839 : x
2. Step 2: Convert to fraction form
   1,010,909/1,516,839 = 1,516,839/x
3. Step 3: Cross multiply
   1,010,909x = 1,516,839 × 1,516,839
4. Step 4: Simplify right side
   1,010,909x = 2,300,800,551,921
5. Step 5: Solve for x
   x = 2,300,800,551,921/1,010,909
6. Step 6: Final answer
   x = 2,275,971.97