Finding the Third Proportional to 158,689,540.13 and 245,109,076.31

Step by Step Solution

1. Step 1: Write the proportion equation
   158,689,540.13 : 245,109,076.31 = 245,109,076.31 : x
2. Step 2: Convert to fraction form
   158,689,540.13/245,109,076.31 = 245,109,076.31/x
3. Step 3: Cross multiply
   158,689,540.13x = 245,109,076.31 × 245,109,076.31
4. Step 4: Simplify right side
   158,689,540.13x = 60,078,459,290,766,952
5. Step 5: Solve for x
   x = 60,078,459,290,766,952/158,689,540.13
6. Step 6: Final answer
   x = 378,591,173.96