Finding the Third Proportional to 872,139,818.25 and 1,340,539,054.88

Step by Step Solution

1. Step 1: Write the proportion equation
   872,139,818.25 : 1,340,539,054.88 = 1,340,539,054.88 : x
2. Step 2: Convert to fraction form
   872,139,818.25/1,340,539,054.88 = 1,340,539,054.88/x
3. Step 3: Cross multiply
   872,139,818.25x = 1,340,539,054.88 × 1,340,539,054.88
4. Step 4: Simplify right side
   872,139,818.25x = 1,797,044,957,645,158,144
5. Step 5: Solve for x
   x = 1,797,044,957,645,158,144/872,139,818.25
6. Step 6: Final answer
   x = 2,060,500,988.54