Finding the Third Proportional to 99,470,642 and 214,057,834

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470,642 : 214,057,834 = 214,057,834 : x
2. Step 2: Convert to fraction form
   99,470,642/214,057,834 = 214,057,834/x
3. Step 3: Cross multiply
   99,470,642x = 214,057,834 × 214,057,834
4. Step 4: Simplify right side
   99,470,642x = 45,820,756,296,771,552
5. Step 5: Solve for x
   x = 45,820,756,296,771,552/99,470,642
6. Step 6: Final answer
   x = 460,646,029.58