Finding the Third Proportional to 9,642,557 and 20,592,844

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642,557 : 20,592,844 = 20,592,844 : x
2. Step 2: Convert to fraction form
   9,642,557/20,592,844 = 20,592,844/x
3. Step 3: Cross multiply
   9,642,557x = 20,592,844 × 20,592,844
4. Step 4: Simplify right side
   9,642,557x = 424,065,224,008,336
5. Step 5: Solve for x
   x = 424,065,224,008,336/9,642,557
6. Step 6: Final answer
   x = 43,978,503.21