Finding the Third Proportional to 121,059,510 and 169,870,483

Step by Step Solution

1. Step 1: Write the proportion equation
   121,059,510 : 169,870,483 = 169,870,483 : x
2. Step 2: Convert to fraction form
   121,059,510/169,870,483 = 169,870,483/x
3. Step 3: Cross multiply
   121,059,510x = 169,870,483 × 169,870,483
4. Step 4: Simplify right side
   121,059,510x = 28,855,980,994,653,288
5. Step 5: Solve for x
   x = 28,855,980,994,653,288/121,059,510
6. Step 6: Final answer
   x = 238,361,951.03