Finding the Third Proportional to 112,868.50 and 266,426

Step by Step Solution

1. Step 1: Write the proportion equation
   112,868.50 : 266,426 = 266,426 : x
2. Step 2: Convert to fraction form
   112,868.50/266,426 = 266,426/x
3. Step 3: Cross multiply
   112,868.50x = 266,426 × 266,426
4. Step 4: Simplify right side
   112,868.50x = 70,982,813,476
5. Step 5: Solve for x
   x = 70,982,813,476/112,868.50
6. Step 6: Final answer
   x = 628,898.35