Finding the Third Proportional to 339,858,784.13 and 524,801,404.69

Step by Step Solution

1. Step 1: Write the proportion equation
   339,858,784.13 : 524,801,404.69 = 524,801,404.69 : x
2. Step 2: Convert to fraction form
   339,858,784.13/524,801,404.69 = 524,801,404.69/x
3. Step 3: Cross multiply
   339,858,784.13x = 524,801,404.69 × 524,801,404.69
4. Step 4: Simplify right side
   339,858,784.13x = 275,416,514,361,973,152
5. Step 5: Solve for x
   x = 275,416,514,361,973,152/339,858,784.13
6. Step 6: Final answer
   x = 810,385,157.68