Finding the Third Proportional to 88,173,129 and 139,022,085

Step by Step Solution

1. Step 1: Write the proportion equation
   88,173,129 : 139,022,085 = 139,022,085 : x
2. Step 2: Convert to fraction form
   88,173,129/139,022,085 = 139,022,085/x
3. Step 3: Cross multiply
   88,173,129x = 139,022,085 × 139,022,085
4. Step 4: Simplify right side
   88,173,129x = 19,327,140,117,747,224
5. Step 5: Solve for x
   x = 19,327,140,117,747,224/88,173,129
6. Step 6: Final answer
   x = 219,195,352.79