Finding the Third Proportional to 1,057,275,409.50 and 2,240,586,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,275,409.50 : 2,240,586,724.50 = 2,240,586,724.50 : x
2. Step 2: Convert to fraction form
   1,057,275,409.50/2,240,586,724.50 = 2,240,586,724.50/x
3. Step 3: Cross multiply
   1,057,275,409.50x = 2,240,586,724.50 × 2,240,586,724.50
4. Step 4: Simplify right side
   1,057,275,409.50x = 5,020,228,870,005,639,168
5. Step 5: Solve for x
   x = 5,020,228,870,005,639,168/1,057,275,409.50
6. Step 6: Final answer
   x = 4,748,269,774.27