Finding the Third Proportional to 20,568,532 and 42,731,374

Step by Step Solution

1. Step 1: Write the proportion equation
   20,568,532 : 42,731,374 = 42,731,374 : x
2. Step 2: Convert to fraction form
   20,568,532/42,731,374 = 42,731,374/x
3. Step 3: Cross multiply
   20,568,532x = 42,731,374 × 42,731,374
4. Step 4: Simplify right side
   20,568,532x = 1,825,970,323,927,876
5. Step 5: Solve for x
   x = 1,825,970,323,927,876/20,568,532
6. Step 6: Final answer
   x = 88,774,946.31