Finding the Third Proportional to 107,140 and 235,300

Step by Step Solution

1. Step 1: Write the proportion equation
   107,140 : 235,300 = 235,300 : x
2. Step 2: Convert to fraction form
   107,140/235,300 = 235,300/x
3. Step 3: Cross multiply
   107,140x = 235,300 × 235,300
4. Step 4: Simplify right side
   107,140x = 55,366,090,000
5. Step 5: Solve for x
   x = 55,366,090,000/107,140
6. Step 6: Final answer
   x = 516,763.95