Finding the Third Proportional to 115,720 and 253,632

Step by Step Solution

1. Step 1: Write the proportion equation
   115,720 : 253,632 = 253,632 : x
2. Step 2: Convert to fraction form
   115,720/253,632 = 253,632/x
3. Step 3: Cross multiply
   115,720x = 253,632 × 253,632
4. Step 4: Simplify right side
   115,720x = 64,329,191,424
5. Step 5: Solve for x
   x = 64,329,191,424/115,720
6. Step 6: Final answer
   x = 555,903.83