Finding the Third Proportional to 55,403,440 and 82,795,072

Step by Step Solution

1. Step 1: Write the proportion equation
   55,403,440 : 82,795,072 = 82,795,072 : x
2. Step 2: Convert to fraction form
   55,403,440/82,795,072 = 82,795,072/x
3. Step 3: Cross multiply
   55,403,440x = 82,795,072 × 82,795,072
4. Step 4: Simplify right side
   55,403,440x = 6,855,023,947,485,184
5. Step 5: Solve for x
   x = 6,855,023,947,485,184/55,403,440
6. Step 6: Final answer
   x = 123,729,211.53