Finding the Third Proportional to 28,312 and 42,464

Step by Step Solution

1. Step 1: Write the proportion equation
   28,312 : 42,464 = 42,464 : x
2. Step 2: Convert to fraction form
   28,312/42,464 = 42,464/x
3. Step 3: Cross multiply
   28,312x = 42,464 × 42,464
4. Step 4: Simplify right side
   28,312x = 1,803,191,296
5. Step 5: Solve for x
   x = 1,803,191,296/28,312
6. Step 6: Final answer
   x = 63,690.00