Finding the Third Proportional to 8,378,950.50 and 12,812,086.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,378,950.50 : 12,812,086.69 = 12,812,086.69 : x
2. Step 2: Convert to fraction form
   8,378,950.50/12,812,086.69 = 12,812,086.69/x
3. Step 3: Cross multiply
   8,378,950.50x = 12,812,086.69 × 12,812,086.69
4. Step 4: Simplify right side
   8,378,950.50x = 164,149,565,288,014.72
5. Step 5: Solve for x
   x = 164,149,565,288,014.72/8,378,950.50
6. Step 6: Final answer
   x = 19,590,707.13