Finding the Third Proportional to 91,845.84 and 139,152.75

Step by Step Solution

1. Step 1: Write the proportion equation
   91,845.84 : 139,152.75 = 139,152.75 : x
2. Step 2: Convert to fraction form
   91,845.84/139,152.75 = 139,152.75/x
3. Step 3: Cross multiply
   91,845.84x = 139,152.75 × 139,152.75
4. Step 4: Simplify right side
   91,845.84x = 19,363,487,832.56
5. Step 5: Solve for x
   x = 19,363,487,832.56/91,845.84
6. Step 6: Final answer
   x = 210,825.96