Finding the Third Proportional to 6,978,006 and 14,784,480

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,006 : 14,784,480 = 14,784,480 : x
2. Step 2: Convert to fraction form
   6,978,006/14,784,480 = 14,784,480/x
3. Step 3: Cross multiply
   6,978,006x = 14,784,480 × 14,784,480
4. Step 4: Simplify right side
   6,978,006x = 218,580,848,870,400
5. Step 5: Solve for x
   x = 218,580,848,870,400/6,978,006
6. Step 6: Final answer
   x = 31,324,256.37