Finding the Third Proportional to 99,470,618 and 214,057,784

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470,618 : 214,057,784 = 214,057,784 : x
2. Step 2: Convert to fraction form
   99,470,618/214,057,784 = 214,057,784/x
3. Step 3: Cross multiply
   99,470,618x = 214,057,784 × 214,057,784
4. Step 4: Simplify right side
   99,470,618x = 45,820,734,890,990,656
5. Step 5: Solve for x
   x = 45,820,734,890,990,656/99,470,618
6. Step 6: Final answer
   x = 460,645,925.52