Finding the Third Proportional to 762,812 and 1,677,968

Step by Step Solution

1. Step 1: Write the proportion equation
   762,812 : 1,677,968 = 1,677,968 : x
2. Step 2: Convert to fraction form
   762,812/1,677,968 = 1,677,968/x
3. Step 3: Cross multiply
   762,812x = 1,677,968 × 1,677,968
4. Step 4: Simplify right side
   762,812x = 2,815,576,609,024
5. Step 5: Solve for x
   x = 2,815,576,609,024/762,812
6. Step 6: Final answer
   x = 3,691,049.18