Finding the Third Proportional to 91,258,259.25 and 139,185,927

Step by Step Solution

1. Step 1: Write the proportion equation
   91,258,259.25 : 139,185,927 = 139,185,927 : x
2. Step 2: Convert to fraction form
   91,258,259.25/139,185,927 = 139,185,927/x
3. Step 3: Cross multiply
   91,258,259.25x = 139,185,927 × 139,185,927
4. Step 4: Simplify right side
   91,258,259.25x = 19,372,722,274,849,328
5. Step 5: Solve for x
   x = 19,372,722,274,849,328/91,258,259.25
6. Step 6: Final answer
   x = 212,284,591.38