Finding the Third Proportional to 136,513.69 and 199,575.56

Step by Step Solution

1. Step 1: Write the proportion equation
   136,513.69 : 199,575.56 = 199,575.56 : x
2. Step 2: Convert to fraction form
   136,513.69/199,575.56 = 199,575.56/x
3. Step 3: Cross multiply
   136,513.69x = 199,575.56 × 199,575.56
4. Step 4: Simplify right side
   136,513.69x = 39,830,405,147.19
5. Step 5: Solve for x
   x = 39,830,405,147.19/136,513.69
6. Step 6: Final answer
   x = 291,768.58