Finding the Third Proportional to 103,634,036 and 221,616,978

Step by Step Solution

1. Step 1: Write the proportion equation
   103,634,036 : 221,616,978 = 221,616,978 : x
2. Step 2: Convert to fraction form
   103,634,036/221,616,978 = 221,616,978/x
3. Step 3: Cross multiply
   103,634,036x = 221,616,978 × 221,616,978
4. Step 4: Simplify right side
   103,634,036x = 49,114,084,937,852,480
5. Step 5: Solve for x
   x = 49,114,084,937,852,480/103,634,036
6. Step 6: Final answer
   x = 473,918,481.16