Finding the Third Proportional to 28,406.81 and 42,060.94

Step by Step Solution

1. Step 1: Write the proportion equation
   28,406.81 : 42,060.94 = 42,060.94 : x
2. Step 2: Convert to fraction form
   28,406.81/42,060.94 = 42,060.94/x
3. Step 3: Cross multiply
   28,406.81x = 42,060.94 × 42,060.94
4. Step 4: Simplify right side
   28,406.81x = 1,769,122,463.38
5. Step 5: Solve for x
   x = 1,769,122,463.38/28,406.81
6. Step 6: Final answer
   x = 62,278.11