Finding the Third Proportional to 20,739,846 and 42,092,767

Step by Step Solution

1. Step 1: Write the proportion equation
   20,739,846 : 42,092,767 = 42,092,767 : x
2. Step 2: Convert to fraction form
   20,739,846/42,092,767 = 42,092,767/x
3. Step 3: Cross multiply
   20,739,846x = 42,092,767 × 42,092,767
4. Step 4: Simplify right side
   20,739,846x = 1,771,801,033,716,289
5. Step 5: Solve for x
   x = 1,771,801,033,716,289/20,739,846
6. Step 6: Final answer
   x = 85,429,806.65