Finding the Third Proportional to 38,692.50 and 83,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,692.50 : 83,887.50 = 83,887.50 : x
2. Step 2: Convert to fraction form
   38,692.50/83,887.50 = 83,887.50/x
3. Step 3: Cross multiply
   38,692.50x = 83,887.50 × 83,887.50
4. Step 4: Simplify right side
   38,692.50x = 7,037,112,656.25
5. Step 5: Solve for x
   x = 7,037,112,656.25/38,692.50
6. Step 6: Final answer
   x = 181,872.78