Finding the Third Proportional to 1,150,858 and 1,742,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,858 : 1,742,280 = 1,742,280 : x
2. Step 2: Convert to fraction form
   1,150,858/1,742,280 = 1,742,280/x
3. Step 3: Cross multiply
   1,150,858x = 1,742,280 × 1,742,280
4. Step 4: Simplify right side
   1,150,858x = 3,035,539,598,400
5. Step 5: Solve for x
   x = 3,035,539,598,400/1,150,858
6. Step 6: Final answer
   x = 2,637,631.75