Finding the Third Proportional to 158,689,499 and 245,109,012

Step by Step Solution

1. Step 1: Write the proportion equation
   158,689,499 : 245,109,012 = 245,109,012 : x
2. Step 2: Convert to fraction form
   158,689,499/245,109,012 = 245,109,012/x
3. Step 3: Cross multiply
   158,689,499x = 245,109,012 × 245,109,012
4. Step 4: Simplify right side
   158,689,499x = 60,078,427,763,616,144
5. Step 5: Solve for x
   x = 60,078,427,763,616,144/158,689,499
6. Step 6: Final answer
   x = 378,591,073.40