Finding the Third Proportional to 186,552 and 438,534

Step by Step Solution

1. Step 1: Write the proportion equation
   186,552 : 438,534 = 438,534 : x
2. Step 2: Convert to fraction form
   186,552/438,534 = 438,534/x
3. Step 3: Cross multiply
   186,552x = 438,534 × 438,534
4. Step 4: Simplify right side
   186,552x = 192,312,069,156
5. Step 5: Solve for x
   x = 192,312,069,156/186,552
6. Step 6: Final answer
   x = 1,030,876.48