Finding the Third Proportional to 14,470,821 and 31,461,066

Step by Step Solution

1. Step 1: Write the proportion equation
   14,470,821 : 31,461,066 = 31,461,066 : x
2. Step 2: Convert to fraction form
   14,470,821/31,461,066 = 31,461,066/x
3. Step 3: Cross multiply
   14,470,821x = 31,461,066 × 31,461,066
4. Step 4: Simplify right side
   14,470,821x = 989,798,673,856,356
5. Step 5: Solve for x
   x = 989,798,673,856,356/14,470,821
6. Step 6: Final answer
   x = 68,399,621.13