Finding the Third Proportional to 53,496 and 81,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,496 : 81,670.50 = 81,670.50 : x
2. Step 2: Convert to fraction form
   53,496/81,670.50 = 81,670.50/x
3. Step 3: Cross multiply
   53,496x = 81,670.50 × 81,670.50
4. Step 4: Simplify right side
   53,496x = 6,670,070,570.25
5. Step 5: Solve for x
   x = 6,670,070,570.25/53,496
6. Step 6: Final answer
   x = 124,683.54