Finding the Third Proportional to 353,139,174 and 760,248,786

Step by Step Solution

1. Step 1: Write the proportion equation
   353,139,174 : 760,248,786 = 760,248,786 : x
2. Step 2: Convert to fraction form
   353,139,174/760,248,786 = 760,248,786/x
3. Step 3: Cross multiply
   353,139,174x = 760,248,786 × 760,248,786
4. Step 4: Simplify right side
   353,139,174x = 577,978,216,614,473,856
5. Step 5: Solve for x
   x = 577,978,216,614,473,856/353,139,174
6. Step 6: Final answer
   x = 1,636,686,777.25