Finding the Third Proportional to 509,434,353 and 1,091,521,089

Step by Step Solution

1. Step 1: Write the proportion equation
   509,434,353 : 1,091,521,089 = 1,091,521,089 : x
2. Step 2: Convert to fraction form
   509,434,353/1,091,521,089 = 1,091,521,089/x
3. Step 3: Cross multiply
   509,434,353x = 1,091,521,089 × 1,091,521,089
4. Step 4: Simplify right side
   509,434,353x = 1,191,418,287,731,746,048
5. Step 5: Solve for x
   x = 1,191,418,287,731,746,048/509,434,353
6. Step 6: Final answer
   x = 2,338,708,178.43