Finding the Third Proportional to 102,678,450 and 242,142,150

Step by Step Solution

1. Step 1: Write the proportion equation
   102,678,450 : 242,142,150 = 242,142,150 : x
2. Step 2: Convert to fraction form
   102,678,450/242,142,150 = 242,142,150/x
3. Step 3: Cross multiply
   102,678,450x = 242,142,150 × 242,142,150
4. Step 4: Simplify right side
   102,678,450x = 58,632,820,806,622,496
5. Step 5: Solve for x
   x = 58,632,820,806,622,496/102,678,450
6. Step 6: Final answer
   x = 571,033,364.90