Finding the Third Proportional to 4,191,968 and 8,538,084

Step by Step Solution

1. Step 1: Write the proportion equation
   4,191,968 : 8,538,084 = 8,538,084 : x
2. Step 2: Convert to fraction form
   4,191,968/8,538,084 = 8,538,084/x
3. Step 3: Cross multiply
   4,191,968x = 8,538,084 × 8,538,084
4. Step 4: Simplify right side
   4,191,968x = 72,898,878,391,056
5. Step 5: Solve for x
   x = 72,898,878,391,056/4,191,968
6. Step 6: Final answer
   x = 17,390,132.37