Finding the Third Proportional to 50,397,372 and 78,185,484

Step by Step Solution

1. Step 1: Write the proportion equation
   50,397,372 : 78,185,484 = 78,185,484 : x
2. Step 2: Convert to fraction form
   50,397,372/78,185,484 = 78,185,484/x
3. Step 3: Cross multiply
   50,397,372x = 78,185,484 × 78,185,484
4. Step 4: Simplify right side
   50,397,372x = 6,112,969,908,314,256
5. Step 5: Solve for x
   x = 6,112,969,908,314,256/50,397,372
6. Step 6: Final answer
   x = 121,295,410.17