Finding the Third Proportional to 726,838,399.50 and 1,585,226,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   726,838,399.50 : 1,585,226,899.50 = 1,585,226,899.50 : x
2. Step 2: Convert to fraction form
   726,838,399.50/1,585,226,899.50 = 1,585,226,899.50/x
3. Step 3: Cross multiply
   726,838,399.50x = 1,585,226,899.50 × 1,585,226,899.50
4. Step 4: Simplify right side
   726,838,399.50x = 2,512,944,322,898,382,848
5. Step 5: Solve for x
   x = 2,512,944,322,898,382,848/726,838,399.50
6. Step 6: Final answer
   x = 3,457,363,183.66