Finding the Third Proportional to 19,955,872.50 and 43,105,089

Step by Step Solution

1. Step 1: Write the proportion equation
   19,955,872.50 : 43,105,089 = 43,105,089 : x
2. Step 2: Convert to fraction form
   19,955,872.50/43,105,089 = 43,105,089/x
3. Step 3: Cross multiply
   19,955,872.50x = 43,105,089 × 43,105,089
4. Step 4: Simplify right side
   19,955,872.50x = 1,858,048,697,697,921
5. Step 5: Solve for x
   x = 1,858,048,697,697,921/19,955,872.50
6. Step 6: Final answer
   x = 93,107,865.75