Finding the Third Proportional to 909,771,721 and 1,300,087,497

Step by Step Solution

1. Step 1: Write the proportion equation
   909,771,721 : 1,300,087,497 = 1,300,087,497 : x
2. Step 2: Convert to fraction form
   909,771,721/1,300,087,497 = 1,300,087,497/x
3. Step 3: Cross multiply
   909,771,721x = 1,300,087,497 × 1,300,087,497
4. Step 4: Simplify right side
   909,771,721x = 1,690,227,499,855,725,056
5. Step 5: Solve for x
   x = 1,690,227,499,855,725,056/909,771,721
6. Step 6: Final answer
   x = 1,857,858,912.12