Finding the Third Proportional to 915,462 and 1,331,640

Step by Step Solution

1. Step 1: Write the proportion equation
   915,462 : 1,331,640 = 1,331,640 : x
2. Step 2: Convert to fraction form
   915,462/1,331,640 = 1,331,640/x
3. Step 3: Cross multiply
   915,462x = 1,331,640 × 1,331,640
4. Step 4: Simplify right side
   915,462x = 1,773,265,089,600
5. Step 5: Solve for x
   x = 1,773,265,089,600/915,462
6. Step 6: Final answer
   x = 1,937,016.60