Finding the Third Proportional to 57,111,686 and 85,794,132

Step by Step Solution

1. Step 1: Write the proportion equation
   57,111,686 : 85,794,132 = 85,794,132 : x
2. Step 2: Convert to fraction form
   57,111,686/85,794,132 = 85,794,132/x
3. Step 3: Cross multiply
   57,111,686x = 85,794,132 × 85,794,132
4. Step 4: Simplify right side
   57,111,686x = 7,360,633,085,633,424
5. Step 5: Solve for x
   x = 7,360,633,085,633,424/57,111,686
6. Step 6: Final answer
   x = 128,881,383.15