Finding the Third Proportional to 874,957,018.50 and 1,279,217,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   874,957,018.50 : 1,279,217,722.50 = 1,279,217,722.50 : x
2. Step 2: Convert to fraction form
   874,957,018.50/1,279,217,722.50 = 1,279,217,722.50/x
3. Step 3: Cross multiply
   874,957,018.50x = 1,279,217,722.50 × 1,279,217,722.50
4. Step 4: Simplify right side
   874,957,018.50x = 1,636,397,981,558,086,912
5. Step 5: Solve for x
   x = 1,636,397,981,558,086,912/874,957,018.50
6. Step 6: Final answer
   x = 1,870,260,992.21