Finding the Third Proportional to 78,100,612 and 162,665,554

Step by Step Solution

1. Step 1: Write the proportion equation
   78,100,612 : 162,665,554 = 162,665,554 : x
2. Step 2: Convert to fraction form
   78,100,612/162,665,554 = 162,665,554/x
3. Step 3: Cross multiply
   78,100,612x = 162,665,554 × 162,665,554
4. Step 4: Simplify right side
   78,100,612x = 26,460,082,458,126,916
5. Step 5: Solve for x
   x = 26,460,082,458,126,916/78,100,612
6. Step 6: Final answer
   x = 338,794,815.82