Finding the Third Proportional to 56,043 and 77,188.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,043 : 77,188.50 = 77,188.50 : x
2. Step 2: Convert to fraction form
   56,043/77,188.50 = 77,188.50/x
3. Step 3: Cross multiply
   56,043x = 77,188.50 × 77,188.50
4. Step 4: Simplify right side
   56,043x = 5,958,064,532.25
5. Step 5: Solve for x
   x = 5,958,064,532.25/56,043
6. Step 6: Final answer
   x = 106,312.38