Finding the Third Proportional to 18,574,080 and 28,142,016

Step by Step Solution

1. Step 1: Write the proportion equation
   18,574,080 : 28,142,016 = 28,142,016 : x
2. Step 2: Convert to fraction form
   18,574,080/28,142,016 = 28,142,016/x
3. Step 3: Cross multiply
   18,574,080x = 28,142,016 × 28,142,016
4. Step 4: Simplify right side
   18,574,080x = 791,973,064,544,256
5. Step 5: Solve for x
   x = 791,973,064,544,256/18,574,080
6. Step 6: Final answer
   x = 42,638,615.99