Finding the Third Proportional to 70,451,834 and 142,884,612

Step by Step Solution

1. Step 1: Write the proportion equation
   70,451,834 : 142,884,612 = 142,884,612 : x
2. Step 2: Convert to fraction form
   70,451,834/142,884,612 = 142,884,612/x
3. Step 3: Cross multiply
   70,451,834x = 142,884,612 × 142,884,612
4. Step 4: Simplify right side
   70,451,834x = 20,416,012,346,390,544
5. Step 5: Solve for x
   x = 20,416,012,346,390,544/70,451,834
6. Step 6: Final answer
   x = 289,786,811.60