Finding the Third Proportional to 123,140.25 and 265,113

Step by Step Solution

1. Step 1: Write the proportion equation
   123,140.25 : 265,113 = 265,113 : x
2. Step 2: Convert to fraction form
   123,140.25/265,113 = 265,113/x
3. Step 3: Cross multiply
   123,140.25x = 265,113 × 265,113
4. Step 4: Simplify right side
   123,140.25x = 70,284,902,769
5. Step 5: Solve for x
   x = 70,284,902,769/123,140.25
6. Step 6: Final answer
   x = 570,771.16