Finding the Third Proportional to 72,298,289 and 158,943,676

Step by Step Solution

1. Step 1: Write the proportion equation
   72,298,289 : 158,943,676 = 158,943,676 : x
2. Step 2: Convert to fraction form
   72,298,289/158,943,676 = 158,943,676/x
3. Step 3: Cross multiply
   72,298,289x = 158,943,676 × 158,943,676
4. Step 4: Simplify right side
   72,298,289x = 25,263,092,140,392,976
5. Step 5: Solve for x
   x = 25,263,092,140,392,976/72,298,289
6. Step 6: Final answer
   x = 349,428,630.88