Finding the Third Proportional to 877,296 and 1,913,240

Step by Step Solution

1. Step 1: Write the proportion equation
   877,296 : 1,913,240 = 1,913,240 : x
2. Step 2: Convert to fraction form
   877,296/1,913,240 = 1,913,240/x
3. Step 3: Cross multiply
   877,296x = 1,913,240 × 1,913,240
4. Step 4: Simplify right side
   877,296x = 3,660,487,297,600
5. Step 5: Solve for x
   x = 3,660,487,297,600/877,296
6. Step 6: Final answer
   x = 4,172,465.50