Finding the Third Proportional to 55,383,610 and 85,978,302

Step by Step Solution

1. Step 1: Write the proportion equation
   55,383,610 : 85,978,302 = 85,978,302 : x
2. Step 2: Convert to fraction form
   55,383,610/85,978,302 = 85,978,302/x
3. Step 3: Cross multiply
   55,383,610x = 85,978,302 × 85,978,302
4. Step 4: Simplify right side
   55,383,610x = 7,392,268,414,803,204
5. Step 5: Solve for x
   x = 7,392,268,414,803,204/55,383,610
6. Step 6: Final answer
   x = 133,473,935.97