Finding the Third Proportional to 8,117,361 and 12,843,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,117,361 : 12,843,913.50 = 12,843,913.50 : x
2. Step 2: Convert to fraction form
   8,117,361/12,843,913.50 = 12,843,913.50/x
3. Step 3: Cross multiply
   8,117,361x = 12,843,913.50 × 12,843,913.50
4. Step 4: Simplify right side
   8,117,361x = 164,966,113,995,482.25
5. Step 5: Solve for x
   x = 164,966,113,995,482.25/8,117,361
6. Step 6: Final answer
   x = 20,322,628.75