Finding the Third Proportional to 3,670,378 and 8,087,248

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,378 : 8,087,248 = 8,087,248 : x
2. Step 2: Convert to fraction form
   3,670,378/8,087,248 = 8,087,248/x
3. Step 3: Cross multiply
   3,670,378x = 8,087,248 × 8,087,248
4. Step 4: Simplify right side
   3,670,378x = 65,403,580,213,504
5. Step 5: Solve for x
   x = 65,403,580,213,504/3,670,378
6. Step 6: Final answer
   x = 17,819,303.68