Finding the Third Proportional to 139,258,466,542 and 209,035,094,933

Step by Step Solution

1. Step 1: Write the proportion equation
   139,258,466,542 : 209,035,094,933 = 209,035,094,933 : x
2. Step 2: Convert to fraction form
   139,258,466,542/209,035,094,933 = 209,035,094,933/x
3. Step 3: Cross multiply
   139,258,466,542x = 209,035,094,933 × 209,035,094,933
4. Step 4: Simplify right side
   139,258,466,542x = 43,695,670,913,648,321,101,824
5. Step 5: Solve for x
   x = 43,695,670,913,648,321,101,824/139,258,466,542
6. Step 6: Final answer
   x = 313,773,891,086.69