Finding the Third Proportional to 136,323 and 279,429.75

Step by Step Solution

1. Step 1: Write the proportion equation
   136,323 : 279,429.75 = 279,429.75 : x
2. Step 2: Convert to fraction form
   136,323/279,429.75 = 279,429.75/x
3. Step 3: Cross multiply
   136,323x = 279,429.75 × 279,429.75
4. Step 4: Simplify right side
   136,323x = 78,080,985,185.06
5. Step 5: Solve for x
   x = 78,080,985,185.06/136,323
6. Step 6: Final answer
   x = 572,764.58