Finding the Third Proportional to 57,901.50 and 84,213.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,901.50 : 84,213.56 = 84,213.56 : x
2. Step 2: Convert to fraction form
   57,901.50/84,213.56 = 84,213.56/x
3. Step 3: Cross multiply
   57,901.50x = 84,213.56 × 84,213.56
4. Step 4: Simplify right side
   57,901.50x = 7,091,924,108.94
5. Step 5: Solve for x
   x = 7,091,924,108.94/57,901.50
6. Step 6: Final answer
   x = 122,482.56