Finding the Third Proportional to 56,985 and 88,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,985 : 88,463.50 = 88,463.50 : x
2. Step 2: Convert to fraction form
   56,985/88,463.50 = 88,463.50/x
3. Step 3: Cross multiply
   56,985x = 88,463.50 × 88,463.50
4. Step 4: Simplify right side
   56,985x = 7,825,790,832.25
5. Step 5: Solve for x
   x = 7,825,790,832.25/56,985
6. Step 6: Final answer
   x = 137,330.72