Finding the Third Proportional to 19,645,830 and 41,327,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,645,830 : 41,327,668.50 = 41,327,668.50 : x
2. Step 2: Convert to fraction form
   19,645,830/41,327,668.50 = 41,327,668.50/x
3. Step 3: Cross multiply
   19,645,830x = 41,327,668.50 × 41,327,668.50
4. Step 4: Simplify right side
   19,645,830x = 1,707,976,183,645,892.25
5. Step 5: Solve for x
   x = 1,707,976,183,645,892.25/19,645,830
6. Step 6: Final answer
   x = 86,938,357.08