Finding the Third Proportional to 815,263,377,538 and 1,215,825,196,010

Step by Step Solution

1. Step 1: Write the proportion equation
   815,263,377,538 : 1,215,825,196,010 = 1,215,825,196,010 : x
2. Step 2: Convert to fraction form
   815,263,377,538/1,215,825,196,010 = 1,215,825,196,010/x
3. Step 3: Cross multiply
   815,263,377,538x = 1,215,825,196,010 × 1,215,825,196,010
4. Step 4: Simplify right side
   815,263,377,538x = 1,478,230,907,252,754,817,744,896
5. Step 5: Solve for x
   x = 1,478,230,907,252,754,817,744,896/815,263,377,538
6. Step 6: Final answer
   x = 1,813,194,297,672.05