Finding the Third Proportional to 56,642 and 88,060

Step by Step Solution

1. Step 1: Write the proportion equation
   56,642 : 88,060 = 88,060 : x
2. Step 2: Convert to fraction form
   56,642/88,060 = 88,060/x
3. Step 3: Cross multiply
   56,642x = 88,060 × 88,060
4. Step 4: Simplify right side
   56,642x = 7,754,563,600
5. Step 5: Solve for x
   x = 7,754,563,600/56,642
6. Step 6: Final answer
   x = 136,904.83