Finding the Third Proportional to 72,580,399.50 and 107,510,044.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,580,399.50 : 107,510,044.50 = 107,510,044.50 : x
2. Step 2: Convert to fraction form
   72,580,399.50/107,510,044.50 = 107,510,044.50/x
3. Step 3: Cross multiply
   72,580,399.50x = 107,510,044.50 × 107,510,044.50
4. Step 4: Simplify right side
   72,580,399.50x = 11,558,409,668,391,980
5. Step 5: Solve for x
   x = 11,558,409,668,391,980/72,580,399.50
6. Step 6: Final answer
   x = 159,249,738.88