Finding the Third Proportional to 56,511 and 83,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,511 : 83,065.50 = 83,065.50 : x
2. Step 2: Convert to fraction form
   56,511/83,065.50 = 83,065.50/x
3. Step 3: Cross multiply
   56,511x = 83,065.50 × 83,065.50
4. Step 4: Simplify right side
   56,511x = 6,899,877,290.25
5. Step 5: Solve for x
   x = 6,899,877,290.25/56,511
6. Step 6: Final answer
   x = 122,097.95