Finding the Third Proportional to 55,325,978 and 88,893,762

Step by Step Solution

1. Step 1: Write the proportion equation
   55,325,978 : 88,893,762 = 88,893,762 : x
2. Step 2: Convert to fraction form
   55,325,978/88,893,762 = 88,893,762/x
3. Step 3: Cross multiply
   55,325,978x = 88,893,762 × 88,893,762
4. Step 4: Simplify right side
   55,325,978x = 7,902,100,922,512,644
5. Step 5: Solve for x
   x = 7,902,100,922,512,644/55,325,978
6. Step 6: Final answer
   x = 142,828,038.62