Finding the Third Proportional to 1,161,540 and 1,742,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,161,540 : 1,742,310 = 1,742,310 : x
2. Step 2: Convert to fraction form
   1,161,540/1,742,310 = 1,742,310/x
3. Step 3: Cross multiply
   1,161,540x = 1,742,310 × 1,742,310
4. Step 4: Simplify right side
   1,161,540x = 3,035,644,136,100
5. Step 5: Solve for x
   x = 3,035,644,136,100/1,161,540
6. Step 6: Final answer
   x = 2,613,465