Finding the Third Proportional to 8,360,184 and 12,920,706

Step by Step Solution

1. Step 1: Write the proportion equation
   8,360,184 : 12,920,706 = 12,920,706 : x
2. Step 2: Convert to fraction form
   8,360,184/12,920,706 = 12,920,706/x
3. Step 3: Cross multiply
   8,360,184x = 12,920,706 × 12,920,706
4. Step 4: Simplify right side
   8,360,184x = 166,944,643,538,436
5. Step 5: Solve for x
   x = 166,944,643,538,436/8,360,184
6. Step 6: Final answer
   x = 19,969,015.46