Finding the Third Proportional to 99,097,812 and 213,382,152

Step by Step Solution

1. Step 1: Write the proportion equation
   99,097,812 : 213,382,152 = 213,382,152 : x
2. Step 2: Convert to fraction form
   99,097,812/213,382,152 = 213,382,152/x
3. Step 3: Cross multiply
   99,097,812x = 213,382,152 × 213,382,152
4. Step 4: Simplify right side
   99,097,812x = 45,531,942,792,151,104
5. Step 5: Solve for x
   x = 45,531,942,792,151,104/99,097,812
6. Step 6: Final answer
   x = 459,464,662.98