Finding the Third Proportional to 121,059,501.75 and 169,870,471.31

Step by Step Solution

1. Step 1: Write the proportion equation
   121,059,501.75 : 169,870,471.31 = 169,870,471.31 : x
2. Step 2: Convert to fraction form
   121,059,501.75/169,870,471.31 = 169,870,471.31/x
3. Step 3: Cross multiply
   121,059,501.75x = 169,870,471.31 × 169,870,471.31
4. Step 4: Simplify right side
   121,059,501.75x = 28,855,977,023,930,884
5. Step 5: Solve for x
   x = 28,855,977,023,930,884/121,059,501.75
6. Step 6: Final answer
   x = 238,361,934.48