Finding the Third Proportional to 113,188,560 and 242,514,240

Step by Step Solution

1. Step 1: Write the proportion equation
   113,188,560 : 242,514,240 = 242,514,240 : x
2. Step 2: Convert to fraction form
   113,188,560/242,514,240 = 242,514,240/x
3. Step 3: Cross multiply
   113,188,560x = 242,514,240 × 242,514,240
4. Step 4: Simplify right side
   113,188,560x = 58,813,156,602,777,600
5. Step 5: Solve for x
   x = 58,813,156,602,777,600/113,188,560
6. Step 6: Final answer
   x = 519,603,364.53