Finding the Third Proportional to 81,398,443 and 174,613,199

Step by Step Solution

1. Step 1: Write the proportion equation
   81,398,443 : 174,613,199 = 174,613,199 : x
2. Step 2: Convert to fraction form
   81,398,443/174,613,199 = 174,613,199/x
3. Step 3: Cross multiply
   81,398,443x = 174,613,199 × 174,613,199
4. Step 4: Simplify right side
   81,398,443x = 30,489,769,265,013,600
5. Step 5: Solve for x
   x = 30,489,769,265,013,600/81,398,443
6. Step 6: Final answer
   x = 374,574,354.76