Finding the Third Proportional to 381,546,528 and 826,478,916

Step by Step Solution

1. Step 1: Write the proportion equation
   381,546,528 : 826,478,916 = 826,478,916 : x
2. Step 2: Convert to fraction form
   381,546,528/826,478,916 = 826,478,916/x
3. Step 3: Cross multiply
   381,546,528x = 826,478,916 × 826,478,916
4. Step 4: Simplify right side
   381,546,528x = 683,067,398,592,535,040
5. Step 5: Solve for x
   x = 683,067,398,592,535,040/381,546,528
6. Step 6: Final answer
   x = 1,790,259,767.72