Finding the Third Proportional to 89,460,580 and 195,670,664

Step by Step Solution

1. Step 1: Write the proportion equation
   89,460,580 : 195,670,664 = 195,670,664 : x
2. Step 2: Convert to fraction form
   89,460,580/195,670,664 = 195,670,664/x
3. Step 3: Cross multiply
   89,460,580x = 195,670,664 × 195,670,664
4. Step 4: Simplify right side
   89,460,580x = 38,287,008,750,200,896
5. Step 5: Solve for x
   x = 38,287,008,750,200,896/89,460,580
6. Step 6: Final answer
   x = 427,976,308.11