Finding the Third Proportional to 4,889,814 and 10,621,056

Step by Step Solution

1. Step 1: Write the proportion equation
   4,889,814 : 10,621,056 = 10,621,056 : x
2. Step 2: Convert to fraction form
   4,889,814/10,621,056 = 10,621,056/x
3. Step 3: Cross multiply
   4,889,814x = 10,621,056 × 10,621,056
4. Step 4: Simplify right side
   4,889,814x = 112,806,830,555,136
5. Step 5: Solve for x
   x = 112,806,830,555,136/4,889,814
6. Step 6: Final answer
   x = 23,069,759.00