Finding the Third Proportional to 8,187,859.50 and 12,842,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,187,859.50 : 12,842,758.50 = 12,842,758.50 : x
2. Step 2: Convert to fraction form
   8,187,859.50/12,842,758.50 = 12,842,758.50/x
3. Step 3: Cross multiply
   8,187,859.50x = 12,842,758.50 × 12,842,758.50
4. Step 4: Simplify right side
   8,187,859.50x = 164,936,445,889,322.25
5. Step 5: Solve for x
   x = 164,936,445,889,322.25/8,187,859.50
6. Step 6: Final answer
   x = 20,144,024.93