Finding the Third Proportional to 12,787,281 and 19,500,084

Step by Step Solution

1. Step 1: Write the proportion equation
   12,787,281 : 19,500,084 = 19,500,084 : x
2. Step 2: Convert to fraction form
   12,787,281/19,500,084 = 19,500,084/x
3. Step 3: Cross multiply
   12,787,281x = 19,500,084 × 19,500,084
4. Step 4: Simplify right side
   12,787,281x = 380,253,276,007,056
5. Step 5: Solve for x
   x = 380,253,276,007,056/12,787,281
6. Step 6: Final answer
   x = 29,736,835.85