Finding the Third Proportional to 136,023.50 and 296,140

Step by Step Solution

1. Step 1: Write the proportion equation
   136,023.50 : 296,140 = 296,140 : x
2. Step 2: Convert to fraction form
   136,023.50/296,140 = 296,140/x
3. Step 3: Cross multiply
   136,023.50x = 296,140 × 296,140
4. Step 4: Simplify right side
   136,023.50x = 87,698,899,600
5. Step 5: Solve for x
   x = 87,698,899,600/136,023.50
6. Step 6: Final answer
   x = 644,733.44