Finding the Third Proportional to 12,808,132 and 19,810,716

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808,132 : 19,810,716 = 19,810,716 : x
2. Step 2: Convert to fraction form
   12,808,132/19,810,716 = 19,810,716/x
3. Step 3: Cross multiply
   12,808,132x = 19,810,716 × 19,810,716
4. Step 4: Simplify right side
   12,808,132x = 392,464,468,432,656
5. Step 5: Solve for x
   x = 392,464,468,432,656/12,808,132
6. Step 6: Final answer
   x = 30,641,819.47