Finding the Third Proportional to 90,874,566 and 195,605,970

Step by Step Solution

1. Step 1: Write the proportion equation
   90,874,566 : 195,605,970 = 195,605,970 : x
2. Step 2: Convert to fraction form
   90,874,566/195,605,970 = 195,605,970/x
3. Step 3: Cross multiply
   90,874,566x = 195,605,970 × 195,605,970
4. Step 4: Simplify right side
   90,874,566x = 38,261,695,499,640,896
5. Step 5: Solve for x
   x = 38,261,695,499,640,896/90,874,566
6. Step 6: Final answer
   x = 421,038,549.99