Finding the Third Proportional to 349,698,980.25 and 765,101,499.75

Step by Step Solution

1. Step 1: Write the proportion equation
   349,698,980.25 : 765,101,499.75 = 765,101,499.75 : x
2. Step 2: Convert to fraction form
   349,698,980.25/765,101,499.75 = 765,101,499.75/x
3. Step 3: Cross multiply
   349,698,980.25x = 765,101,499.75 × 765,101,499.75
4. Step 4: Simplify right side
   349,698,980.25x = 585,380,304,919,699,200
5. Step 5: Solve for x
   x = 585,380,304,919,699,200/349,698,980.25
6. Step 6: Final answer
   x = 1,673,954,852.55