Finding the Third Proportional to 211,079,844 and 322,897,158

Step by Step Solution

1. Step 1: Write the proportion equation
   211,079,844 : 322,897,158 = 322,897,158 : x
2. Step 2: Convert to fraction form
   211,079,844/322,897,158 = 322,897,158/x
3. Step 3: Cross multiply
   211,079,844x = 322,897,158 × 322,897,158
4. Step 4: Simplify right side
   211,079,844x = 104,262,574,644,476,960
5. Step 5: Solve for x
   x = 104,262,574,644,476,960/211,079,844
6. Step 6: Final answer
   x = 493,948,510.99