Finding the Third Proportional to 229,697,518.50 and 353,061,546

Step by Step Solution

1. Step 1: Write the proportion equation
   229,697,518.50 : 353,061,546 = 353,061,546 : x
2. Step 2: Convert to fraction form
   229,697,518.50/353,061,546 = 353,061,546/x
3. Step 3: Cross multiply
   229,697,518.50x = 353,061,546 × 353,061,546
4. Step 4: Simplify right side
   229,697,518.50x = 124,652,455,263,910,112
5. Step 5: Solve for x
   x = 124,652,455,263,910,112/229,697,518.50
6. Step 6: Final answer
   x = 542,680,896.50