Finding the Third Proportional to 3,676,402 and 8,078,484

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676,402 : 8,078,484 = 8,078,484 : x
2. Step 2: Convert to fraction form
   3,676,402/8,078,484 = 8,078,484/x
3. Step 3: Cross multiply
   3,676,402x = 8,078,484 × 8,078,484
4. Step 4: Simplify right side
   3,676,402x = 65,261,903,738,256
5. Step 5: Solve for x
   x = 65,261,903,738,256/3,676,402
6. Step 6: Final answer
   x = 17,751,568.99