Finding the Third Proportional to 111,315,068 and 242,391,868

Step by Step Solution

1. Step 1: Write the proportion equation
   111,315,068 : 242,391,868 = 242,391,868 : x
2. Step 2: Convert to fraction form
   111,315,068/242,391,868 = 242,391,868/x
3. Step 3: Cross multiply
   111,315,068x = 242,391,868 × 242,391,868
4. Step 4: Simplify right side
   111,315,068x = 58,753,817,672,529,424
5. Step 5: Solve for x
   x = 58,753,817,672,529,424/111,315,068
6. Step 6: Final answer
   x = 527,815,494.60