Finding the Third Proportional to 36,930.09 and 53,779.78

Step by Step Solution

1. Step 1: Write the proportion equation
   36,930.09 : 53,779.78 = 53,779.78 : x
2. Step 2: Convert to fraction form
   36,930.09/53,779.78 = 53,779.78/x
3. Step 3: Cross multiply
   36,930.09x = 53,779.78 × 53,779.78
4. Step 4: Simplify right side
   36,930.09x = 2,892,264,871.30
5. Step 5: Solve for x
   x = 2,892,264,871.30/36,930.09
6. Step 6: Final answer
   x = 78,317.29