Finding the Third Proportional to 108,781,501.50 and 168,686,766

Step by Step Solution

1. Step 1: Write the proportion equation
   108,781,501.50 : 168,686,766 = 168,686,766 : x
2. Step 2: Convert to fraction form
   108,781,501.50/168,686,766 = 168,686,766/x
3. Step 3: Cross multiply
   108,781,501.50x = 168,686,766 × 168,686,766
4. Step 4: Simplify right side
   108,781,501.50x = 28,455,225,023,538,756
5. Step 5: Solve for x
   x = 28,455,225,023,538,756/108,781,501.50
6. Step 6: Final answer
   x = 261,581,469.56