Finding the Third Proportional to 11,970,388.50 and 18,573,105

Step by Step Solution

1. Step 1: Write the proportion equation
   11,970,388.50 : 18,573,105 = 18,573,105 : x
2. Step 2: Convert to fraction form
   11,970,388.50/18,573,105 = 18,573,105/x
3. Step 3: Cross multiply
   11,970,388.50x = 18,573,105 × 18,573,105
4. Step 4: Simplify right side
   11,970,388.50x = 344,960,229,341,025
5. Step 5: Solve for x
   x = 344,960,229,341,025/11,970,388.50
6. Step 6: Final answer
   x = 28,817,797.30