Finding the Third Proportional to 123,307,769 and 265,215,960

Step by Step Solution

1. Step 1: Write the proportion equation
   123,307,769 : 265,215,960 = 265,215,960 : x
2. Step 2: Convert to fraction form
   123,307,769/265,215,960 = 265,215,960/x
3. Step 3: Cross multiply
   123,307,769x = 265,215,960 × 265,215,960
4. Step 4: Simplify right side
   123,307,769x = 70,339,505,438,721,600
5. Step 5: Solve for x
   x = 70,339,505,438,721,600/123,307,769
6. Step 6: Final answer
   x = 570,438,553.95