Finding the Third Proportional to 1,289,199 and 2,732,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,199 : 2,732,072 = 2,732,072 : x
2. Step 2: Convert to fraction form
   1,289,199/2,732,072 = 2,732,072/x
3. Step 3: Cross multiply
   1,289,199x = 2,732,072 × 2,732,072
4. Step 4: Simplify right side
   1,289,199x = 7,464,217,413,184
5. Step 5: Solve for x
   x = 7,464,217,413,184/1,289,199
6. Step 6: Final answer
   x = 5,789,810.12