Finding the Third Proportional to 5,591,031,066 and 12,423,191,463

Step by Step Solution

1. Step 1: Write the proportion equation
   5,591,031,066 : 12,423,191,463 = 12,423,191,463 : x
2. Step 2: Convert to fraction form
   5,591,031,066/12,423,191,463 = 12,423,191,463/x
3. Step 3: Cross multiply
   5,591,031,066x = 12,423,191,463 × 12,423,191,463
4. Step 4: Simplify right side
   5,591,031,066x = 154,335,686,126,356,070,400
5. Step 5: Solve for x
   x = 154,335,686,126,356,070,400/5,591,031,066
6. Step 6: Final answer
   x = 27,604,154,637.04