Finding the Third Proportional to 20,632,466 and 42,939,524

Step by Step Solution

1. Step 1: Write the proportion equation
   20,632,466 : 42,939,524 = 42,939,524 : x
2. Step 2: Convert to fraction form
   20,632,466/42,939,524 = 42,939,524/x
3. Step 3: Cross multiply
   20,632,466x = 42,939,524 × 42,939,524
4. Step 4: Simplify right side
   20,632,466x = 1,843,802,721,346,576
5. Step 5: Solve for x
   x = 1,843,802,721,346,576/20,632,466
6. Step 6: Final answer
   x = 89,364,146.84