Finding the Third Proportional to 195,031,130 and 406,204,870

Step by Step Solution

1. Step 1: Write the proportion equation
   195,031,130 : 406,204,870 = 406,204,870 : x
2. Step 2: Convert to fraction form
   195,031,130/406,204,870 = 406,204,870/x
3. Step 3: Cross multiply
   195,031,130x = 406,204,870 × 406,204,870
4. Step 4: Simplify right side
   195,031,130x = 165,002,396,411,716,896
5. Step 5: Solve for x
   x = 165,002,396,411,716,896/195,031,130
6. Step 6: Final answer
   x = 846,031,074.18