Finding the Third Proportional to 20,957,120 and 31,306,272

Step by Step Solution

1. Step 1: Write the proportion equation
   20,957,120 : 31,306,272 = 31,306,272 : x
2. Step 2: Convert to fraction form
   20,957,120/31,306,272 = 31,306,272/x
3. Step 3: Cross multiply
   20,957,120x = 31,306,272 × 31,306,272
4. Step 4: Simplify right side
   20,957,120x = 980,082,666,537,984
5. Step 5: Solve for x
   x = 980,082,666,537,984/20,957,120
6. Step 6: Final answer
   x = 46,766,095.08