Finding the Third Proportional to 89,460,578 and 195,670,660

Step by Step Solution

1. Step 1: Write the proportion equation
   89,460,578 : 195,670,660 = 195,670,660 : x
2. Step 2: Convert to fraction form
   89,460,578/195,670,660 = 195,670,660/x
3. Step 3: Cross multiply
   89,460,578x = 195,670,660 × 195,670,660
4. Step 4: Simplify right side
   89,460,578x = 38,287,007,184,835,600
5. Step 5: Solve for x
   x = 38,287,007,184,835,600/89,460,578
6. Step 6: Final answer
   x = 427,976,300.18