Finding the Third Proportional to 61,342.31 and 133,786.69

Step by Step Solution

1. Step 1: Write the proportion equation
   61,342.31 : 133,786.69 = 133,786.69 : x
2. Step 2: Convert to fraction form
   61,342.31/133,786.69 = 133,786.69/x
3. Step 3: Cross multiply
   61,342.31x = 133,786.69 × 133,786.69
4. Step 4: Simplify right side
   61,342.31x = 17,898,877,752.22
5. Step 5: Solve for x
   x = 17,898,877,752.22/61,342.31
6. Step 6: Final answer
   x = 291,786.81