Finding the Third Proportional to 822,684,621.50 and 1,779,554,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   822,684,621.50 : 1,779,554,402.50 = 1,779,554,402.50 : x
2. Step 2: Convert to fraction form
   822,684,621.50/1,779,554,402.50 = 1,779,554,402.50/x
3. Step 3: Cross multiply
   822,684,621.50x = 1,779,554,402.50 × 1,779,554,402.50
4. Step 4: Simplify right side
   822,684,621.50x = 3,166,813,871,457,132,032
5. Step 5: Solve for x
   x = 3,166,813,871,457,132,032/822,684,621.50
6. Step 6: Final answer
   x = 3,849,365,587.61