Finding the Third Proportional to 158,689,503 and 245,109,013.88

Step by Step Solution

1. Step 1: Write the proportion equation
   158,689,503 : 245,109,013.88 = 245,109,013.88 : x
2. Step 2: Convert to fraction form
   158,689,503/245,109,013.88 = 245,109,013.88/x
3. Step 3: Cross multiply
   158,689,503x = 245,109,013.88 × 245,109,013.88
4. Step 4: Simplify right side
   158,689,503x = 60,078,428,682,774,944
5. Step 5: Solve for x
   x = 60,078,428,682,774,944/158,689,503
6. Step 6: Final answer
   x = 378,591,069.65