Finding the Third Proportional to 359,747,451,521 and 799,929,298,664

Step by Step Solution

1. Step 1: Write the proportion equation
   359,747,451,521 : 799,929,298,664 = 799,929,298,664 : x
2. Step 2: Convert to fraction form
   359,747,451,521/799,929,298,664 = 799,929,298,664/x
3. Step 3: Cross multiply
   359,747,451,521x = 799,929,298,664 × 799,929,298,664
4. Step 4: Simplify right side
   359,747,451,521x = 639,886,882,861,078,911,385,600
5. Step 5: Solve for x
   x = 639,886,882,861,078,911,385,600/359,747,451,521
6. Step 6: Final answer
   x = 1,778,711,371,423.64