Finding the Third Proportional to 5,298,974 and 8,404,454

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298,974 : 8,404,454 = 8,404,454 : x
2. Step 2: Convert to fraction form
   5,298,974/8,404,454 = 8,404,454/x
3. Step 3: Cross multiply
   5,298,974x = 8,404,454 × 8,404,454
4. Step 4: Simplify right side
   5,298,974x = 70,634,847,038,116
5. Step 5: Solve for x
   x = 70,634,847,038,116/5,298,974
6. Step 6: Final answer
   x = 13,329,910.10