Finding the Third Proportional to 107,983,978.88 and 173,889,772.31

Step by Step Solution

1. Step 1: Write the proportion equation
   107,983,978.88 : 173,889,772.31 = 173,889,772.31 : x
2. Step 2: Convert to fraction form
   107,983,978.88/173,889,772.31 = 173,889,772.31/x
3. Step 3: Cross multiply
   107,983,978.88x = 173,889,772.31 × 173,889,772.31
4. Step 4: Simplify right side
   107,983,978.88x = 30,237,652,914,893,092
5. Step 5: Solve for x
   x = 30,237,652,914,893,092/107,983,978.88
6. Step 6: Final answer
   x = 280,019,806.92