Finding the Third Proportional to 72,973,353 and 158,648,478

Step by Step Solution

1. Step 1: Write the proportion equation
   72,973,353 : 158,648,478 = 158,648,478 : x
2. Step 2: Convert to fraction form
   72,973,353/158,648,478 = 158,648,478/x
3. Step 3: Cross multiply
   72,973,353x = 158,648,478 × 158,648,478
4. Step 4: Simplify right side
   72,973,353x = 25,169,339,571,716,484
5. Step 5: Solve for x
   x = 25,169,339,571,716,484/72,973,353
6. Step 6: Final answer
   x = 344,911,375.69