Finding the Third Proportional to 872,139,645 and 1,340,538,795

Step by Step Solution

1. Step 1: Write the proportion equation
   872,139,645 : 1,340,538,795 = 1,340,538,795 : x
2. Step 2: Convert to fraction form
   872,139,645/1,340,538,795 = 1,340,538,795/x
3. Step 3: Cross multiply
   872,139,645x = 1,340,538,795 × 1,340,538,795
4. Step 4: Simplify right side
   872,139,645x = 1,797,044,260,900,051,968
5. Step 5: Solve for x
   x = 1,797,044,260,900,051,968/872,139,645
6. Step 6: Final answer
   x = 2,060,500,598.96