Finding the Third Proportional to 20,613,010 and 42,921,562

Step by Step Solution

1. Step 1: Write the proportion equation
   20,613,010 : 42,921,562 = 42,921,562 : x
2. Step 2: Convert to fraction form
   20,613,010/42,921,562 = 42,921,562/x
3. Step 3: Cross multiply
   20,613,010x = 42,921,562 × 42,921,562
4. Step 4: Simplify right side
   20,613,010x = 1,842,260,484,519,844
5. Step 5: Solve for x
   x = 1,842,260,484,519,844/20,613,010
6. Step 6: Final answer
   x = 89,373,676.36