Finding the Third Proportional to 78,637,329,722 and 173,303,451,544

Step by Step Solution

1. Step 1: Write the proportion equation
   78,637,329,722 : 173,303,451,544 = 173,303,451,544 : x
2. Step 2: Convert to fraction form
   78,637,329,722/173,303,451,544 = 173,303,451,544/x
3. Step 3: Cross multiply
   78,637,329,722x = 173,303,451,544 × 173,303,451,544
4. Step 4: Simplify right side
   78,637,329,722x = 30,034,086,317,063,554,465,792
5. Step 5: Solve for x
   x = 30,034,086,317,063,554,465,792/78,637,329,722
6. Step 6: Final answer
   x = 381,931,665,574.61