Finding the Third Proportional to 3,907,526 and 8,331,178

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,526 : 8,331,178 = 8,331,178 : x
2. Step 2: Convert to fraction form
   3,907,526/8,331,178 = 8,331,178/x
3. Step 3: Cross multiply
   3,907,526x = 8,331,178 × 8,331,178
4. Step 4: Simplify right side
   3,907,526x = 69,408,526,867,684
5. Step 5: Solve for x
   x = 69,408,526,867,684/3,907,526
6. Step 6: Final answer
   x = 17,762,780.56