Finding the Third Proportional to 19,404,618.19 and 39,379,451.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,404,618.19 : 39,379,451.06 = 39,379,451.06 : x
2. Step 2: Convert to fraction form
   19,404,618.19/39,379,451.06 = 39,379,451.06/x
3. Step 3: Cross multiply
   19,404,618.19x = 39,379,451.06 × 39,379,451.06
4. Step 4: Simplify right side
   19,404,618.19x = 1,550,741,165,983,832.50
5. Step 5: Solve for x
   x = 1,550,741,165,983,832.50/19,404,618.19
6. Step 6: Final answer
   x = 79,916,087.55