Finding the Third Proportional to 18,097,211 and 39,445,870

Step by Step Solution

1. Step 1: Write the proportion equation
   18,097,211 : 39,445,870 = 39,445,870 : x
2. Step 2: Convert to fraction form
   18,097,211/39,445,870 = 39,445,870/x
3. Step 3: Cross multiply
   18,097,211x = 39,445,870 × 39,445,870
4. Step 4: Simplify right side
   18,097,211x = 1,555,976,660,056,900
5. Step 5: Solve for x
   x = 1,555,976,660,056,900/18,097,211
6. Step 6: Final answer
   x = 85,978,809.67