Finding the Third Proportional to 777,197,788 and 1,111,401,373

Step by Step Solution

1. Step 1: Write the proportion equation
   777,197,788 : 1,111,401,373 = 1,111,401,373 : x
2. Step 2: Convert to fraction form
   777,197,788/1,111,401,373 = 1,111,401,373/x
3. Step 3: Cross multiply
   777,197,788x = 1,111,401,373 × 1,111,401,373
4. Step 4: Simplify right side
   777,197,788x = 1,235,213,011,906,285,056
5. Step 5: Solve for x
   x = 1,235,213,011,906,285,056/777,197,788
6. Step 6: Final answer
   x = 1,589,316,170.19