Finding the Third Proportional to 20,568,532 and 42,731,380

Step by Step Solution

1. Step 1: Write the proportion equation
   20,568,532 : 42,731,380 = 42,731,380 : x
2. Step 2: Convert to fraction form
   20,568,532/42,731,380 = 42,731,380/x
3. Step 3: Cross multiply
   20,568,532x = 42,731,380 × 42,731,380
4. Step 4: Simplify right side
   20,568,532x = 1,825,970,836,704,400
5. Step 5: Solve for x
   x = 1,825,970,836,704,400/20,568,532
6. Step 6: Final answer
   x = 88,774,971.24