Finding the Third Proportional to 66,123.42 and 100,734.05

Step by Step Solution

1. Step 1: Write the proportion equation
   66,123.42 : 100,734.05 = 100,734.05 : x
2. Step 2: Convert to fraction form
   66,123.42/100,734.05 = 100,734.05/x
3. Step 3: Cross multiply
   66,123.42x = 100,734.05 × 100,734.05
4. Step 4: Simplify right side
   66,123.42x = 10,147,348,199.81
5. Step 5: Solve for x
   x = 10,147,348,199.81/66,123.42
6. Step 6: Final answer
   x = 153,460.72