Finding the Third Proportional to 10,642,515 and 23,345,157

Step by Step Solution

1. Step 1: Write the proportion equation
   10,642,515 : 23,345,157 = 23,345,157 : x
2. Step 2: Convert to fraction form
   10,642,515/23,345,157 = 23,345,157/x
3. Step 3: Cross multiply
   10,642,515x = 23,345,157 × 23,345,157
4. Step 4: Simplify right side
   10,642,515x = 544,996,355,354,649
5. Step 5: Solve for x
   x = 544,996,355,354,649/10,642,515
6. Step 6: Final answer
   x = 51,209,357.50