Finding the Third Proportional to 102,678,462 and 242,142,180

Step by Step Solution

1. Step 1: Write the proportion equation
   102,678,462 : 242,142,180 = 242,142,180 : x
2. Step 2: Convert to fraction form
   102,678,462/242,142,180 = 242,142,180/x
3. Step 3: Cross multiply
   102,678,462x = 242,142,180 × 242,142,180
4. Step 4: Simplify right side
   102,678,462x = 58,632,835,335,152,400
5. Step 5: Solve for x
   x = 58,632,835,335,152,400/102,678,462
6. Step 6: Final answer
   x = 571,033,439.66