Finding the Third Proportional to 1,171,793,143.69 and 1,785,161,050.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,793,143.69 : 1,785,161,050.31 = 1,785,161,050.31 : x
2. Step 2: Convert to fraction form
   1,171,793,143.69/1,785,161,050.31 = 1,785,161,050.31/x
3. Step 3: Cross multiply
   1,171,793,143.69x = 1,785,161,050.31 × 1,785,161,050.31
4. Step 4: Simplify right side
   1,171,793,143.69x = 3,186,799,975,552,827,904
5. Step 5: Solve for x
   x = 3,186,799,975,552,827,904/1,171,793,143.69
6. Step 6: Final answer
   x = 2,719,592,611.31