Finding the Third Proportional to 290,479.50 and 633,528

Step by Step Solution

1. Step 1: Write the proportion equation
   290,479.50 : 633,528 = 633,528 : x
2. Step 2: Convert to fraction form
   290,479.50/633,528 = 633,528/x
3. Step 3: Cross multiply
   290,479.50x = 633,528 × 633,528
4. Step 4: Simplify right side
   290,479.50x = 401,357,726,784
5. Step 5: Solve for x
   x = 401,357,726,784/290,479.50
6. Step 6: Final answer
   x = 1,381,707.58