Finding the Third Proportional to 54,412.13 and 77,061.94

Step by Step Solution

1. Step 1: Write the proportion equation
   54,412.13 : 77,061.94 = 77,061.94 : x
2. Step 2: Convert to fraction form
   54,412.13/77,061.94 = 77,061.94/x
3. Step 3: Cross multiply
   54,412.13x = 77,061.94 × 77,061.94
4. Step 4: Simplify right side
   54,412.13x = 5,938,542,211.25
5. Step 5: Solve for x
   x = 5,938,542,211.25/54,412.13
6. Step 6: Final answer
   x = 109,140.05