Finding the Third Proportional to 99,764,784 and 214,381,728

Step by Step Solution

1. Step 1: Write the proportion equation
   99,764,784 : 214,381,728 = 214,381,728 : x
2. Step 2: Convert to fraction form
   99,764,784/214,381,728 = 214,381,728/x
3. Step 3: Cross multiply
   99,764,784x = 214,381,728 × 214,381,728
4. Step 4: Simplify right side
   99,764,784x = 45,959,525,300,265,984
5. Step 5: Solve for x
   x = 45,959,525,300,265,984/99,764,784
6. Step 6: Final answer
   x = 460,678,843.35