Finding the Third Proportional to 872,139,834 and 1,340,539,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   872,139,834 : 1,340,539,078.50 = 1,340,539,078.50 : x
2. Step 2: Convert to fraction form
   872,139,834/1,340,539,078.50 = 1,340,539,078.50/x
3. Step 3: Cross multiply
   872,139,834x = 1,340,539,078.50 × 1,340,539,078.50
4. Step 4: Simplify right side
   872,139,834x = 1,797,045,020,985,629,184
5. Step 5: Solve for x
   x = 1,797,045,020,985,629,184/872,139,834
6. Step 6: Final answer
   x = 2,060,501,023.95