Finding the Third Proportional to 1,189,715.34 and 1,812,456.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,715.34 : 1,812,456.28 = 1,812,456.28 : x
2. Step 2: Convert to fraction form
   1,189,715.34/1,812,456.28 = 1,812,456.28/x
3. Step 3: Cross multiply
   1,189,715.34x = 1,812,456.28 × 1,812,456.28
4. Step 4: Simplify right side
   1,189,715.34x = 3,284,997,771,442.58
5. Step 5: Solve for x
   x = 3,284,997,771,442.58/1,189,715.34
6. Step 6: Final answer
   x = 2,761,162.82