Finding the Third Proportional to 745,780,243 and 1,036,947,815

Step by Step Solution

1. Step 1: Write the proportion equation
   745,780,243 : 1,036,947,815 = 1,036,947,815 : x
2. Step 2: Convert to fraction form
   745,780,243/1,036,947,815 = 1,036,947,815/x
3. Step 3: Cross multiply
   745,780,243x = 1,036,947,815 × 1,036,947,815
4. Step 4: Simplify right side
   745,780,243x = 1,075,260,771,033,274,240
5. Step 5: Solve for x
   x = 1,075,260,771,033,274,240/745,780,243
6. Step 6: Final answer
   x = 1,441,793,049.80