Finding the Third Proportional to 20,731,826 and 42,788,484

Step by Step Solution

1. Step 1: Write the proportion equation
   20,731,826 : 42,788,484 = 42,788,484 : x
2. Step 2: Convert to fraction form
   20,731,826/42,788,484 = 42,788,484/x
3. Step 3: Cross multiply
   20,731,826x = 42,788,484 × 42,788,484
4. Step 4: Simplify right side
   20,731,826x = 1,830,854,363,018,256
5. Step 5: Solve for x
   x = 1,830,854,363,018,256/20,731,826
6. Step 6: Final answer
   x = 88,311,293.13