Finding the Third Proportional to 862,968 and 1,877,440

Step by Step Solution

1. Step 1: Write the proportion equation
   862,968 : 1,877,440 = 1,877,440 : x
2. Step 2: Convert to fraction form
   862,968/1,877,440 = 1,877,440/x
3. Step 3: Cross multiply
   862,968x = 1,877,440 × 1,877,440
4. Step 4: Simplify right side
   862,968x = 3,524,780,953,600
5. Step 5: Solve for x
   x = 3,524,780,953,600/862,968
6. Step 6: Final answer
   x = 4,084,486.28