Finding the Third Proportional to 123,097,298 and 266,621,860

Step by Step Solution

1. Step 1: Write the proportion equation
   123,097,298 : 266,621,860 = 266,621,860 : x
2. Step 2: Convert to fraction form
   123,097,298/266,621,860 = 266,621,860/x
3. Step 3: Cross multiply
   123,097,298x = 266,621,860 × 266,621,860
4. Step 4: Simplify right side
   123,097,298x = 71,087,216,229,859,600
5. Step 5: Solve for x
   x = 71,087,216,229,859,600/123,097,298
6. Step 6: Final answer
   x = 577,488,030.89