Finding the Third Proportional to 20,402,499 and 43,107,666

Step by Step Solution

1. Step 1: Write the proportion equation
   20,402,499 : 43,107,666 = 43,107,666 : x
2. Step 2: Convert to fraction form
   20,402,499/43,107,666 = 43,107,666/x
3. Step 3: Cross multiply
   20,402,499x = 43,107,666 × 43,107,666
4. Step 4: Simplify right side
   20,402,499x = 1,858,270,867,967,556
5. Step 5: Solve for x
   x = 1,858,270,867,967,556/20,402,499
6. Step 6: Final answer
   x = 91,080,551.85