Finding the Third Proportional to 89,460,576 and 195,670,656

Step by Step Solution

1. Step 1: Write the proportion equation
   89,460,576 : 195,670,656 = 195,670,656 : x
2. Step 2: Convert to fraction form
   89,460,576/195,670,656 = 195,670,656/x
3. Step 3: Cross multiply
   89,460,576x = 195,670,656 × 195,670,656
4. Step 4: Simplify right side
   89,460,576x = 38,287,005,619,470,336
5. Step 5: Solve for x
   x = 38,287,005,619,470,336/89,460,576
6. Step 6: Final answer
   x = 427,976,292.25