Finding the Third Proportional to 136,468.50 and 296,130

Step by Step Solution

1. Step 1: Write the proportion equation
   136,468.50 : 296,130 = 296,130 : x
2. Step 2: Convert to fraction form
   136,468.50/296,130 = 296,130/x
3. Step 3: Cross multiply
   136,468.50x = 296,130 × 296,130
4. Step 4: Simplify right side
   136,468.50x = 87,692,976,900
5. Step 5: Solve for x
   x = 87,692,976,900/136,468.50
6. Step 6: Final answer
   x = 642,587.68