Finding the Third Proportional to 62,859 and 83,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,859 : 83,920.50 = 83,920.50 : x
2. Step 2: Convert to fraction form
   62,859/83,920.50 = 83,920.50/x
3. Step 3: Cross multiply
   62,859x = 83,920.50 × 83,920.50
4. Step 4: Simplify right side
   62,859x = 7,042,650,320.25
5. Step 5: Solve for x
   x = 7,042,650,320.25/62,859
6. Step 6: Final answer
   x = 112,038.85