Finding the Third Proportional to 323,870,608.50 and 705,244,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,870,608.50 : 705,244,738.50 = 705,244,738.50 : x
2. Step 2: Convert to fraction form
   323,870,608.50/705,244,738.50 = 705,244,738.50/x
3. Step 3: Cross multiply
   323,870,608.50x = 705,244,738.50 × 705,244,738.50
4. Step 4: Simplify right side
   323,870,608.50x = 497,370,141,181,933,376
5. Step 5: Solve for x
   x = 497,370,141,181,933,376/323,870,608.50
6. Step 6: Final answer
   x = 1,535,706,322.61