Finding the Third Proportional to 20,551,726 and 42,803,723

Step by Step Solution

1. Step 1: Write the proportion equation
   20,551,726 : 42,803,723 = 42,803,723 : x
2. Step 2: Convert to fraction form
   20,551,726/42,803,723 = 42,803,723/x
3. Step 3: Cross multiply
   20,551,726x = 42,803,723 × 42,803,723
4. Step 4: Simplify right side
   20,551,726x = 1,832,158,702,660,729
5. Step 5: Solve for x
   x = 1,832,158,702,660,729/20,551,726
6. Step 6: Final answer
   x = 89,148,653.63