Finding the Third Proportional to 50,407.69 and 77,368.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,407.69 : 77,368.31 = 77,368.31 : x
2. Step 2: Convert to fraction form
   50,407.69/77,368.31 = 77,368.31/x
3. Step 3: Cross multiply
   50,407.69x = 77,368.31 × 77,368.31
4. Step 4: Simplify right side
   50,407.69x = 5,985,855,779.10
5. Step 5: Solve for x
   x = 5,985,855,779.10/50,407.69
6. Step 6: Final answer
   x = 118,748.87