Finding the Third Proportional to 135,969.50 and 298,072

Step by Step Solution

1. Step 1: Write the proportion equation
   135,969.50 : 298,072 = 298,072 : x
2. Step 2: Convert to fraction form
   135,969.50/298,072 = 298,072/x
3. Step 3: Cross multiply
   135,969.50x = 298,072 × 298,072
4. Step 4: Simplify right side
   135,969.50x = 88,846,917,184
5. Step 5: Solve for x
   x = 88,846,917,184/135,969.50
6. Step 6: Final answer
   x = 653,432.70