Finding the Third Proportional to 125,958 and 266,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   125,958 : 266,134.50 = 266,134.50 : x
2. Step 2: Convert to fraction form
   125,958/266,134.50 = 266,134.50/x
3. Step 3: Cross multiply
   125,958x = 266,134.50 × 266,134.50
4. Step 4: Simplify right side
   125,958x = 70,827,572,090.25
5. Step 5: Solve for x
   x = 70,827,572,090.25/125,958
6. Step 6: Final answer
   x = 562,311.03