Finding the Third Proportional to 99,470,628 and 214,057,812

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470,628 : 214,057,812 = 214,057,812 : x
2. Step 2: Convert to fraction form
   99,470,628/214,057,812 = 214,057,812/x
3. Step 3: Cross multiply
   99,470,628x = 214,057,812 × 214,057,812
4. Step 4: Simplify right side
   99,470,628x = 45,820,746,878,227,344
5. Step 5: Solve for x
   x = 45,820,746,878,227,344/99,470,628
6. Step 6: Final answer
   x = 460,645,999.72