Finding the Third Proportional to 523,642,563 and 1,139,221,071

Step by Step Solution

1. Step 1: Write the proportion equation
   523,642,563 : 1,139,221,071 = 1,139,221,071 : x
2. Step 2: Convert to fraction form
   523,642,563/1,139,221,071 = 1,139,221,071/x
3. Step 3: Cross multiply
   523,642,563x = 1,139,221,071 × 1,139,221,071
4. Step 4: Simplify right side
   523,642,563x = 1,297,824,648,610,386,944
5. Step 5: Solve for x
   x = 1,297,824,648,610,386,944/523,642,563
6. Step 6: Final answer
   x = 2,478,455,229.41