Finding the Third Proportional to 440,369,905.50 and 699,608,522.25

Step by Step Solution

1. Step 1: Write the proportion equation
   440,369,905.50 : 699,608,522.25 = 699,608,522.25 : x
2. Step 2: Convert to fraction form
   440,369,905.50/699,608,522.25 = 699,608,522.25/x
3. Step 3: Cross multiply
   440,369,905.50x = 699,608,522.25 × 699,608,522.25
4. Step 4: Simplify right side
   440,369,905.50x = 489,452,084,404,828,736
5. Step 5: Solve for x
   x = 489,452,084,404,828,736/440,369,905.50
6. Step 6: Final answer
   x = 1,111,456,705.58