Finding the Third Proportional to 98,492,695,920 and 199,726,066,152

Step by Step Solution

1. Step 1: Write the proportion equation
   98,492,695,920 : 199,726,066,152 = 199,726,066,152 : x
2. Step 2: Convert to fraction form
   98,492,695,920/199,726,066,152 = 199,726,066,152/x
3. Step 3: Cross multiply
   98,492,695,920x = 199,726,066,152 × 199,726,066,152
4. Step 4: Simplify right side
   98,492,695,920x = 39,890,501,500,553,079,554,048
5. Step 5: Solve for x
   x = 39,890,501,500,553,079,554,048/98,492,695,920
6. Step 6: Final answer
   x = 405,009,743,392.08