Finding the Third Proportional to 80,104,909 and 164,456,426

Step by Step Solution

1. Step 1: Write the proportion equation
   80,104,909 : 164,456,426 = 164,456,426 : x
2. Step 2: Convert to fraction form
   80,104,909/164,456,426 = 164,456,426/x
3. Step 3: Cross multiply
   80,104,909x = 164,456,426 × 164,456,426
4. Step 4: Simplify right side
   80,104,909x = 27,045,916,052,693,476
5. Step 5: Solve for x
   x = 27,045,916,052,693,476/80,104,909
6. Step 6: Final answer
   x = 337,631,193.77