Finding the Third Proportional to 10,256,042 and 21,884,818

Step by Step Solution

1. Step 1: Write the proportion equation
   10,256,042 : 21,884,818 = 21,884,818 : x
2. Step 2: Convert to fraction form
   10,256,042/21,884,818 = 21,884,818/x
3. Step 3: Cross multiply
   10,256,042x = 21,884,818 × 21,884,818
4. Step 4: Simplify right side
   10,256,042x = 478,945,258,893,124
5. Step 5: Solve for x
   x = 478,945,258,893,124/10,256,042
6. Step 6: Final answer
   x = 46,698,839.46