Finding the Third Proportional to 56,965 and 88,431

Step by Step Solution

1. Step 1: Write the proportion equation
   56,965 : 88,431 = 88,431 : x
2. Step 2: Convert to fraction form
   56,965/88,431 = 88,431/x
3. Step 3: Cross multiply
   56,965x = 88,431 × 88,431
4. Step 4: Simplify right side
   56,965x = 7,820,041,761
5. Step 5: Solve for x
   x = 7,820,041,761/56,965
6. Step 6: Final answer
   x = 137,278.01