Finding the Third Proportional to 103,673,642 and 222,732,690

Step by Step Solution

1. Step 1: Write the proportion equation
   103,673,642 : 222,732,690 = 222,732,690 : x
2. Step 2: Convert to fraction form
   103,673,642/222,732,690 = 222,732,690/x
3. Step 3: Cross multiply
   103,673,642x = 222,732,690 × 222,732,690
4. Step 4: Simplify right side
   103,673,642x = 49,609,851,194,636,096
5. Step 5: Solve for x
   x = 49,609,851,194,636,096/103,673,642
6. Step 6: Final answer
   x = 478,519,421.50