Finding the Third Proportional to 115,645,981.50 and 158,581,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,645,981.50 : 158,581,921.50 = 158,581,921.50 : x
2. Step 2: Convert to fraction form
   115,645,981.50/158,581,921.50 = 158,581,921.50/x
3. Step 3: Cross multiply
   115,645,981.50x = 158,581,921.50 × 158,581,921.50
4. Step 4: Simplify right side
   115,645,981.50x = 25,148,225,826,632,164
5. Step 5: Solve for x
   x = 25,148,225,826,632,164/115,645,981.50
6. Step 6: Final answer
   x = 217,458,708.90