Finding the Third Proportional to 21,128,388 and 46,307,100

Step by Step Solution

1. Step 1: Write the proportion equation
   21,128,388 : 46,307,100 = 46,307,100 : x
2. Step 2: Convert to fraction form
   21,128,388/46,307,100 = 46,307,100/x
3. Step 3: Cross multiply
   21,128,388x = 46,307,100 × 46,307,100
4. Step 4: Simplify right side
   21,128,388x = 2,144,347,510,410,000
5. Step 5: Solve for x
   x = 2,144,347,510,410,000/21,128,388
6. Step 6: Final answer
   x = 101,491,297.42