Finding the Third Proportional to 8,507,865 and 13,077,141

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507,865 : 13,077,141 = 13,077,141 : x
2. Step 2: Convert to fraction form
   8,507,865/13,077,141 = 13,077,141/x
3. Step 3: Cross multiply
   8,507,865x = 13,077,141 × 13,077,141
4. Step 4: Simplify right side
   8,507,865x = 171,011,616,733,881
5. Step 5: Solve for x
   x = 171,011,616,733,881/8,507,865
6. Step 6: Final answer
   x = 20,100,414.94