Finding the Third Proportional to 136,231.50 and 296,985

Step by Step Solution

1. Step 1: Write the proportion equation
   136,231.50 : 296,985 = 296,985 : x
2. Step 2: Convert to fraction form
   136,231.50/296,985 = 296,985/x
3. Step 3: Cross multiply
   136,231.50x = 296,985 × 296,985
4. Step 4: Simplify right side
   136,231.50x = 88,200,090,225
5. Step 5: Solve for x
   x = 88,200,090,225/136,231.50
6. Step 6: Final answer
   x = 647,428.02