Finding the Third Proportional to 121,059,516 and 169,870,492

Step by Step Solution

1. Step 1: Write the proportion equation
   121,059,516 : 169,870,492 = 169,870,492 : x
2. Step 2: Convert to fraction form
   121,059,516/169,870,492 = 169,870,492/x
3. Step 3: Cross multiply
   121,059,516x = 169,870,492 × 169,870,492
4. Step 4: Simplify right side
   121,059,516x = 28,855,984,052,322,064
5. Step 5: Solve for x
   x = 28,855,984,052,322,064/121,059,516
6. Step 6: Final answer
   x = 238,361,964.48