Finding the Third Proportional to 99,470,635 and 214,057,818

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470,635 : 214,057,818 = 214,057,818 : x
2. Step 2: Convert to fraction form
   99,470,635/214,057,818 = 214,057,818/x
3. Step 3: Cross multiply
   99,470,635x = 214,057,818 × 214,057,818
4. Step 4: Simplify right side
   99,470,635x = 45,820,749,446,921,120
5. Step 5: Solve for x
   x = 45,820,749,446,921,120/99,470,635
6. Step 6: Final answer
   x = 460,645,993.13