Finding the Third Proportional to 20,568,528.50 and 42,731,369.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,568,528.50 : 42,731,369.25 = 42,731,369.25 : x
2. Step 2: Convert to fraction form
   20,568,528.50/42,731,369.25 = 42,731,369.25/x
3. Step 3: Cross multiply
   20,568,528.50x = 42,731,369.25 × 42,731,369.25
4. Step 4: Simplify right side
   20,568,528.50x = 1,825,969,917,979,845.50
5. Step 5: Solve for x
   x = 1,825,969,917,979,845.50/20,568,528.50
6. Step 6: Final answer
   x = 88,774,941.68