Finding the Third Proportional to 74,943,378 and 173,483,118

Step by Step Solution

1. Step 1: Write the proportion equation
   74,943,378 : 173,483,118 = 173,483,118 : x
2. Step 2: Convert to fraction form
   74,943,378/173,483,118 = 173,483,118/x
3. Step 3: Cross multiply
   74,943,378x = 173,483,118 × 173,483,118
4. Step 4: Simplify right side
   74,943,378x = 30,096,392,231,001,924
5. Step 5: Solve for x
   x = 30,096,392,231,001,924/74,943,378
6. Step 6: Final answer
   x = 401,588,412.93