Finding the Third Proportional to 13,462,890 and 28,978,644

Step by Step Solution

1. Step 1: Write the proportion equation
   13,462,890 : 28,978,644 = 28,978,644 : x
2. Step 2: Convert to fraction form
   13,462,890/28,978,644 = 28,978,644/x
3. Step 3: Cross multiply
   13,462,890x = 28,978,644 × 28,978,644
4. Step 4: Simplify right side
   13,462,890x = 839,761,808,078,736
5. Step 5: Solve for x
   x = 839,761,808,078,736/13,462,890
6. Step 6: Final answer
   x = 62,376,043.19