Finding the Third Proportional to 17,779,456.50 and 38,789,369

Step by Step Solution

1. Step 1: Write the proportion equation
   17,779,456.50 : 38,789,369 = 38,789,369 : x
2. Step 2: Convert to fraction form
   17,779,456.50/38,789,369 = 38,789,369/x
3. Step 3: Cross multiply
   17,779,456.50x = 38,789,369 × 38,789,369
4. Step 4: Simplify right side
   17,779,456.50x = 1,504,615,147,418,161
5. Step 5: Solve for x
   x = 1,504,615,147,418,161/17,779,456.50
6. Step 6: Final answer
   x = 84,626,610.91