Finding the Third Proportional to 1,196,597,821.50 and 1,838,120,762.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,597,821.50 : 1,838,120,762.25 = 1,838,120,762.25 : x
2. Step 2: Convert to fraction form
   1,196,597,821.50/1,838,120,762.25 = 1,838,120,762.25/x
3. Step 3: Cross multiply
   1,196,597,821.50x = 1,838,120,762.25 × 1,838,120,762.25
4. Step 4: Simplify right side
   1,196,597,821.50x = 3,378,687,936,614,520,832
5. Step 5: Solve for x
   x = 3,378,687,936,614,520,832/1,196,597,821.50
6. Step 6: Final answer
   x = 2,823,578,545.70