Finding the Third Proportional to 1,171,793,143.69 and 1,785,161,047.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,793,143.69 : 1,785,161,047.78 = 1,785,161,047.78 : x
2. Step 2: Convert to fraction form
   1,171,793,143.69/1,785,161,047.78 = 1,785,161,047.78/x
3. Step 3: Cross multiply
   1,171,793,143.69x = 1,785,161,047.78 × 1,785,161,047.78
4. Step 4: Simplify right side
   1,171,793,143.69x = 3,186,799,966,515,271,680
5. Step 5: Solve for x
   x = 3,186,799,966,515,271,680/1,171,793,143.69
6. Step 6: Final answer
   x = 2,719,592,603.59