Finding the Third Proportional to 1,269,515,981 and 1,960,872,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269,515,981 : 1,960,872,073.50 = 1,960,872,073.50 : x
2. Step 2: Convert to fraction form
   1,269,515,981/1,960,872,073.50 = 1,960,872,073.50/x
3. Step 3: Cross multiply
   1,269,515,981x = 1,960,872,073.50 × 1,960,872,073.50
4. Step 4: Simplify right side
   1,269,515,981x = 3,845,019,288,632,189,440
5. Step 5: Solve for x
   x = 3,845,019,288,632,189,440/1,269,515,981
6. Step 6: Final answer
   x = 3,028,728,543.93