Finding the Third Proportional to 8,507,866.50 and 13,077,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507,866.50 : 13,077,148.50 = 13,077,148.50 : x
2. Step 2: Convert to fraction form
   8,507,866.50/13,077,148.50 = 13,077,148.50/x
3. Step 3: Cross multiply
   8,507,866.50x = 13,077,148.50 × 13,077,148.50
4. Step 4: Simplify right side
   8,507,866.50x = 171,011,812,891,052.25
5. Step 5: Solve for x
   x = 171,011,812,891,052.25/8,507,866.50
6. Step 6: Final answer
   x = 20,100,434.45