Finding the Third Proportional to 70,483,680 and 144,762,048

Step by Step Solution

1. Step 1: Write the proportion equation
   70,483,680 : 144,762,048 = 144,762,048 : x
2. Step 2: Convert to fraction form
   70,483,680/144,762,048 = 144,762,048/x
3. Step 3: Cross multiply
   70,483,680x = 144,762,048 × 144,762,048
4. Step 4: Simplify right side
   70,483,680x = 20,956,050,541,154,304
5. Step 5: Solve for x
   x = 20,956,050,541,154,304/70,483,680
6. Step 6: Final answer
   x = 297,317,769.75