Finding the Third Proportional to 17,779,501 and 38,789,456

Step by Step Solution

1. Step 1: Write the proportion equation
   17,779,501 : 38,789,456 = 38,789,456 : x
2. Step 2: Convert to fraction form
   17,779,501/38,789,456 = 38,789,456/x
3. Step 3: Cross multiply
   17,779,501x = 38,789,456 × 38,789,456
4. Step 4: Simplify right side
   17,779,501x = 1,504,621,896,775,936
5. Step 5: Solve for x
   x = 1,504,621,896,775,936/17,779,501
6. Step 6: Final answer
   x = 84,626,778.71