Finding the Third Proportional to 4,602,424 and 10,012,880

Step by Step Solution

1. Step 1: Write the proportion equation
   4,602,424 : 10,012,880 = 10,012,880 : x
2. Step 2: Convert to fraction form
   4,602,424/10,012,880 = 10,012,880/x
3. Step 3: Cross multiply
   4,602,424x = 10,012,880 × 10,012,880
4. Step 4: Simplify right side
   4,602,424x = 100,257,765,894,400
5. Step 5: Solve for x
   x = 100,257,765,894,400/4,602,424
6. Step 6: Final answer
   x = 21,783,687.44