Finding the Third Proportional to 647,385,012 and 946,499,526

Step by Step Solution

1. Step 1: Write the proportion equation
   647,385,012 : 946,499,526 = 946,499,526 : x
2. Step 2: Convert to fraction form
   647,385,012/946,499,526 = 946,499,526/x
3. Step 3: Cross multiply
   647,385,012x = 946,499,526 × 946,499,526
4. Step 4: Simplify right side
   647,385,012x = 895,861,352,718,224,640
5. Step 5: Solve for x
   x = 895,861,352,718,224,640/647,385,012
6. Step 6: Final answer
   x = 1,383,815,405.23