Finding the Third Proportional to 867,910,086 and 1,309,936,206

Step by Step Solution

1. Step 1: Write the proportion equation
   867,910,086 : 1,309,936,206 = 1,309,936,206 : x
2. Step 2: Convert to fraction form
   867,910,086/1,309,936,206 = 1,309,936,206/x
3. Step 3: Cross multiply
   867,910,086x = 1,309,936,206 × 1,309,936,206
4. Step 4: Simplify right side
   867,910,086x = 1,715,932,863,789,674,496
5. Step 5: Solve for x
   x = 1,715,932,863,789,674,496/867,910,086
6. Step 6: Final answer
   x = 1,977,085,980.99