Finding the Third Proportional to 136,022.50 and 296,138

Step by Step Solution

1. Step 1: Write the proportion equation
   136,022.50 : 296,138 = 296,138 : x
2. Step 2: Convert to fraction form
   136,022.50/296,138 = 296,138/x
3. Step 3: Cross multiply
   136,022.50x = 296,138 × 296,138
4. Step 4: Simplify right side
   136,022.50x = 87,697,715,044
5. Step 5: Solve for x
   x = 87,697,715,044/136,022.50
6. Step 6: Final answer
   x = 644,729.48