Finding the Third Proportional to 183,418 and 402,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   183,418 : 402,488.50 = 402,488.50 : x
2. Step 2: Convert to fraction form
   183,418/402,488.50 = 402,488.50/x
3. Step 3: Cross multiply
   183,418x = 402,488.50 × 402,488.50
4. Step 4: Simplify right side
   183,418x = 161,996,992,632.25
5. Step 5: Solve for x
   x = 161,996,992,632.25/183,418
6. Step 6: Final answer
   x = 883,212.08