Finding the Third Proportional to 89,091 and 125,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,091 : 125,428.50 = 125,428.50 : x
2. Step 2: Convert to fraction form
   89,091/125,428.50 = 125,428.50/x
3. Step 3: Cross multiply
   89,091x = 125,428.50 × 125,428.50
4. Step 4: Simplify right side
   89,091x = 15,732,308,612.25
5. Step 5: Solve for x
   x = 15,732,308,612.25/89,091
6. Step 6: Final answer
   x = 176,586.96