Finding the Third Proportional to 72,300,318 and 158,929,860

Step by Step Solution

1. Step 1: Write the proportion equation
   72,300,318 : 158,929,860 = 158,929,860 : x
2. Step 2: Convert to fraction form
   72,300,318/158,929,860 = 158,929,860/x
3. Step 3: Cross multiply
   72,300,318x = 158,929,860 × 158,929,860
4. Step 4: Simplify right side
   72,300,318x = 25,258,700,399,619,600
5. Step 5: Solve for x
   x = 25,258,700,399,619,600/72,300,318
6. Step 6: Final answer
   x = 349,358,081.66