Finding the Third Proportional to 523,642,551 and 1,139,221,047

Step by Step Solution

1. Step 1: Write the proportion equation
   523,642,551 : 1,139,221,047 = 1,139,221,047 : x
2. Step 2: Convert to fraction form
   523,642,551/1,139,221,047 = 1,139,221,047/x
3. Step 3: Cross multiply
   523,642,551x = 1,139,221,047 × 1,139,221,047
4. Step 4: Simplify right side
   523,642,551x = 1,297,824,593,927,776,256
5. Step 5: Solve for x
   x = 1,297,824,593,927,776,256/523,642,551
6. Step 6: Final answer
   x = 2,478,455,181.78