Finding the Third Proportional to 822,684,619.50 and 1,779,554,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   822,684,619.50 : 1,779,554,398.50 = 1,779,554,398.50 : x
2. Step 2: Convert to fraction form
   822,684,619.50/1,779,554,398.50 = 1,779,554,398.50/x
3. Step 3: Cross multiply
   822,684,619.50x = 1,779,554,398.50 × 1,779,554,398.50
4. Step 4: Simplify right side
   822,684,619.50x = 3,166,813,857,220,696,576
5. Step 5: Solve for x
   x = 3,166,813,857,220,696,576/822,684,619.50
6. Step 6: Final answer
   x = 3,849,365,579.66