Finding the Third Proportional to 8,507,880 and 13,077,164

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507,880 : 13,077,164 = 13,077,164 : x
2. Step 2: Convert to fraction form
   8,507,880/13,077,164 = 13,077,164/x
3. Step 3: Cross multiply
   8,507,880x = 13,077,164 × 13,077,164
4. Step 4: Simplify right side
   8,507,880x = 171,012,218,282,896
5. Step 5: Solve for x
   x = 171,012,218,282,896/8,507,880
6. Step 6: Final answer
   x = 20,100,450.20