Finding the Third Proportional to 1,212,522 and 1,685,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,522 : 1,685,898 = 1,685,898 : x
2. Step 2: Convert to fraction form
   1,212,522/1,685,898 = 1,685,898/x
3. Step 3: Cross multiply
   1,212,522x = 1,685,898 × 1,685,898
4. Step 4: Simplify right side
   1,212,522x = 2,842,252,066,404
5. Step 5: Solve for x
   x = 2,842,252,066,404/1,212,522
6. Step 6: Final answer
   x = 2,344,082.88