Finding the Third Proportional to 56,427 and 87,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,427 : 87,653.50 = 87,653.50 : x
2. Step 2: Convert to fraction form
   56,427/87,653.50 = 87,653.50/x
3. Step 3: Cross multiply
   56,427x = 87,653.50 × 87,653.50
4. Step 4: Simplify right side
   56,427x = 7,683,136,062.25
5. Step 5: Solve for x
   x = 7,683,136,062.25/56,427
6. Step 6: Final answer
   x = 136,160.63