Finding the Third Proportional to 46,985 and 64,429

Step by Step Solution

1. Step 1: Write the proportion equation
   46,985 : 64,429 = 64,429 : x
2. Step 2: Convert to fraction form
   46,985/64,429 = 64,429/x
3. Step 3: Cross multiply
   46,985x = 64,429 × 64,429
4. Step 4: Simplify right side
   46,985x = 4,151,096,041
5. Step 5: Solve for x
   x = 4,151,096,041/46,985
6. Step 6: Final answer
   x = 88,349.39