Finding the Third Proportional to 47,312 and 65,784

Step by Step Solution

1. Step 1: Write the proportion equation
   47,312 : 65,784 = 65,784 : x
2. Step 2: Convert to fraction form
   47,312/65,784 = 65,784/x
3. Step 3: Cross multiply
   47,312x = 65,784 × 65,784
4. Step 4: Simplify right side
   47,312x = 4,327,534,656
5. Step 5: Solve for x
   x = 4,327,534,656/47,312
6. Step 6: Final answer
   x = 91,468.01