Finding the Third Proportional to 302,375,641,627.50 and 647,881,039,398

Step by Step Solution

1. Step 1: Write the proportion equation
   302,375,641,627.50 : 647,881,039,398 = 647,881,039,398 : x
2. Step 2: Convert to fraction form
   302,375,641,627.50/647,881,039,398 = 647,881,039,398/x
3. Step 3: Cross multiply
   302,375,641,627.50x = 647,881,039,398 × 647,881,039,398
4. Step 4: Simplify right side
   302,375,641,627.50x = 419,749,841,211,432,858,812,416
5. Step 5: Solve for x
   x = 419,749,841,211,432,858,812,416/302,375,641,627.50
6. Step 6: Final answer
   x = 1,388,173,461,831.05