Finding the Third Proportional to 19,900,300.50 and 41,806,809

Step by Step Solution

1. Step 1: Write the proportion equation
   19,900,300.50 : 41,806,809 = 41,806,809 : x
2. Step 2: Convert to fraction form
   19,900,300.50/41,806,809 = 41,806,809/x
3. Step 3: Cross multiply
   19,900,300.50x = 41,806,809 × 41,806,809
4. Step 4: Simplify right side
   19,900,300.50x = 1,747,809,278,762,481
5. Step 5: Solve for x
   x = 1,747,809,278,762,481/19,900,300.50
6. Step 6: Final answer
   x = 87,828,285.75