Finding the Third Proportional to 27,820,086 and 42,558,543

Step by Step Solution

1. Step 1: Write the proportion equation
   27,820,086 : 42,558,543 = 42,558,543 : x
2. Step 2: Convert to fraction form
   27,820,086/42,558,543 = 42,558,543/x
3. Step 3: Cross multiply
   27,820,086x = 42,558,543 × 42,558,543
4. Step 4: Simplify right side
   27,820,086x = 1,811,229,582,282,849
5. Step 5: Solve for x
   x = 1,811,229,582,282,849/27,820,086
6. Step 6: Final answer
   x = 65,105,103.64