Finding the Third Proportional to 12,691,812 and 19,335,150

Step by Step Solution

1. Step 1: Write the proportion equation
   12,691,812 : 19,335,150 = 19,335,150 : x
2. Step 2: Convert to fraction form
   12,691,812/19,335,150 = 19,335,150/x
3. Step 3: Cross multiply
   12,691,812x = 19,335,150 × 19,335,150
4. Step 4: Simplify right side
   12,691,812x = 373,848,025,522,500
5. Step 5: Solve for x
   x = 373,848,025,522,500/12,691,812
6. Step 6: Final answer
   x = 29,455,843.30