Finding the Third Proportional to 4,054,964 and 9,428,818

Step by Step Solution

1. Step 1: Write the proportion equation
   4,054,964 : 9,428,818 = 9,428,818 : x
2. Step 2: Convert to fraction form
   4,054,964/9,428,818 = 9,428,818/x
3. Step 3: Cross multiply
   4,054,964x = 9,428,818 × 9,428,818
4. Step 4: Simplify right side
   4,054,964x = 88,902,608,877,124
5. Step 5: Solve for x
   x = 88,902,608,877,124/4,054,964
6. Step 6: Final answer
   x = 21,924,389.19