Finding the Third Proportional to 54,410 and 84,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,410 : 84,075.50 = 84,075.50 : x
2. Step 2: Convert to fraction form
   54,410/84,075.50 = 84,075.50/x
3. Step 3: Cross multiply
   54,410x = 84,075.50 × 84,075.50
4. Step 4: Simplify right side
   54,410x = 7,068,689,700.25
5. Step 5: Solve for x
   x = 7,068,689,700.25/54,410
6. Step 6: Final answer
   x = 129,915.27