Finding the Third Proportional to 139,258,466,536 and 209,035,094,924

Step by Step Solution

1. Step 1: Write the proportion equation
   139,258,466,536 : 209,035,094,924 = 209,035,094,924 : x
2. Step 2: Convert to fraction form
   139,258,466,536/209,035,094,924 = 209,035,094,924/x
3. Step 3: Cross multiply
   139,258,466,536x = 209,035,094,924 × 209,035,094,924
4. Step 4: Simplify right side
   139,258,466,536x = 43,695,670,909,885,686,480,896
5. Step 5: Solve for x
   x = 43,695,670,909,885,686,480,896/139,258,466,536
6. Step 6: Final answer
   x = 313,773,891,073.19