Finding the Third Proportional to 488,905 and 1,059,210

Step by Step Solution

1. Step 1: Write the proportion equation
   488,905 : 1,059,210 = 1,059,210 : x
2. Step 2: Convert to fraction form
   488,905/1,059,210 = 1,059,210/x
3. Step 3: Cross multiply
   488,905x = 1,059,210 × 1,059,210
4. Step 4: Simplify right side
   488,905x = 1,121,925,824,100
5. Step 5: Solve for x
   x = 1,121,925,824,100/488,905
6. Step 6: Final answer
   x = 2,294,772.65