Finding the Third Proportional to 72,114,313.50 and 170,064,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,114,313.50 : 170,064,067.50 = 170,064,067.50 : x
2. Step 2: Convert to fraction form
   72,114,313.50/170,064,067.50 = 170,064,067.50/x
3. Step 3: Cross multiply
   72,114,313.50x = 170,064,067.50 × 170,064,067.50
4. Step 4: Simplify right side
   72,114,313.50x = 28,921,787,054,644,556
5. Step 5: Solve for x
   x = 28,921,787,054,644,556/72,114,313.50
6. Step 6: Final answer
   x = 401,054,737.28