Finding the Third Proportional to 4,035,868 and 8,610,536

Step by Step Solution

1. Step 1: Write the proportion equation
   4,035,868 : 8,610,536 = 8,610,536 : x
2. Step 2: Convert to fraction form
   4,035,868/8,610,536 = 8,610,536/x
3. Step 3: Cross multiply
   4,035,868x = 8,610,536 × 8,610,536
4. Step 4: Simplify right side
   4,035,868x = 74,141,330,207,296
5. Step 5: Solve for x
   x = 74,141,330,207,296/4,035,868
6. Step 6: Final answer
   x = 18,370,603.35