Finding the Third Proportional to 99,470,630 and 214,057,810

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470,630 : 214,057,810 = 214,057,810 : x
2. Step 2: Convert to fraction form
   99,470,630/214,057,810 = 214,057,810/x
3. Step 3: Cross multiply
   99,470,630x = 214,057,810 × 214,057,810
4. Step 4: Simplify right side
   99,470,630x = 45,820,746,021,996,096
5. Step 5: Solve for x
   x = 45,820,746,021,996,096/99,470,630
6. Step 6: Final answer
   x = 460,645,981.85