Finding the Third Proportional to 8,977,842 and 13,929,906

Step by Step Solution

1. Step 1: Write the proportion equation
   8,977,842 : 13,929,906 = 13,929,906 : x
2. Step 2: Convert to fraction form
   8,977,842/13,929,906 = 13,929,906/x
3. Step 3: Cross multiply
   8,977,842x = 13,929,906 × 13,929,906
4. Step 4: Simplify right side
   8,977,842x = 194,042,281,168,836
5. Step 5: Solve for x
   x = 194,042,281,168,836/8,977,842
6. Step 6: Final answer
   x = 21,613,465.82