Finding the Third Proportional to 4,789,204 and 10,242,536

Step by Step Solution

1. Step 1: Write the proportion equation
   4,789,204 : 10,242,536 = 10,242,536 : x
2. Step 2: Convert to fraction form
   4,789,204/10,242,536 = 10,242,536/x
3. Step 3: Cross multiply
   4,789,204x = 10,242,536 × 10,242,536
4. Step 4: Simplify right side
   4,789,204x = 104,909,543,711,296
5. Step 5: Solve for x
   x = 104,909,543,711,296/4,789,204
6. Step 6: Final answer
   x = 21,905,423.89