Finding the Third Proportional to 1,778,310 and 4,195,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,310 : 4,195,968 = 4,195,968 : x
2. Step 2: Convert to fraction form
   1,778,310/4,195,968 = 4,195,968/x
3. Step 3: Cross multiply
   1,778,310x = 4,195,968 × 4,195,968
4. Step 4: Simplify right side
   1,778,310x = 17,606,147,457,024
5. Step 5: Solve for x
   x = 17,606,147,457,024/1,778,310
6. Step 6: Final answer
   x = 9,900,493.98