Finding the Third Proportional to 72,070,544 and 155,478,478

Step by Step Solution

1. Step 1: Write the proportion equation
   72,070,544 : 155,478,478 = 155,478,478 : x
2. Step 2: Convert to fraction form
   72,070,544/155,478,478 = 155,478,478/x
3. Step 3: Cross multiply
   72,070,544x = 155,478,478 × 155,478,478
4. Step 4: Simplify right side
   72,070,544x = 24,173,557,121,196,484
5. Step 5: Solve for x
   x = 24,173,557,121,196,484/72,070,544
6. Step 6: Final answer
   x = 335,415,216.53