Finding the Third Proportional to 63,479,578.50 and 89,393,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,479,578.50 : 89,393,341.50 = 89,393,341.50 : x
2. Step 2: Convert to fraction form
   63,479,578.50/89,393,341.50 = 89,393,341.50/x
3. Step 3: Cross multiply
   63,479,578.50x = 89,393,341.50 × 89,393,341.50
4. Step 4: Simplify right side
   63,479,578.50x = 7,991,169,504,535,622
5. Step 5: Solve for x
   x = 7,991,169,504,535,622/63,479,578.50
6. Step 6: Final answer
   x = 125,885,673.68