Finding the Third Proportional to 85,446,212 and 132,391,308

Step by Step Solution

1. Step 1: Write the proportion equation
   85,446,212 : 132,391,308 = 132,391,308 : x
2. Step 2: Convert to fraction form
   85,446,212/132,391,308 = 132,391,308/x
3. Step 3: Cross multiply
   85,446,212x = 132,391,308 × 132,391,308
4. Step 4: Simplify right side
   85,446,212x = 17,527,458,433,950,864
5. Step 5: Solve for x
   x = 17,527,458,433,950,864/85,446,212
6. Step 6: Final answer
   x = 205,128,560.10