Finding the Third Proportional to 136,458.84 and 296,111.53

Step by Step Solution

1. Step 1: Write the proportion equation
   136,458.84 : 296,111.53 = 296,111.53 : x
2. Step 2: Convert to fraction form
   136,458.84/296,111.53 = 296,111.53/x
3. Step 3: Cross multiply
   136,458.84x = 296,111.53 × 296,111.53
4. Step 4: Simplify right side
   136,458.84x = 87,682,038,939.22
5. Step 5: Solve for x
   x = 87,682,038,939.22/136,458.84
6. Step 6: Final answer
   x = 642,553.00