Finding the Third Proportional to 134,977.50 and 296,406

Step by Step Solution

1. Step 1: Write the proportion equation
   134,977.50 : 296,406 = 296,406 : x
2. Step 2: Convert to fraction form
   134,977.50/296,406 = 296,406/x
3. Step 3: Cross multiply
   134,977.50x = 296,406 × 296,406
4. Step 4: Simplify right side
   134,977.50x = 87,856,516,836
5. Step 5: Solve for x
   x = 87,856,516,836/134,977.50
6. Step 6: Final answer
   x = 650,897.50