Finding the Third Proportional to 349,847,065.50 and 809,917,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,847,065.50 : 809,917,411.50 = 809,917,411.50 : x
2. Step 2: Convert to fraction form
   349,847,065.50/809,917,411.50 = 809,917,411.50/x
3. Step 3: Cross multiply
   349,847,065.50x = 809,917,411.50 × 809,917,411.50
4. Step 4: Simplify right side
   349,847,065.50x = 655,966,213,450,860,288
5. Step 5: Solve for x
   x = 655,966,213,450,860,288/349,847,065.50
6. Step 6: Final answer
   x = 1,875,008,476.96