Finding the Third Proportional to 152,460 and 404,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,460 : 404,680.50 = 404,680.50 : x
2. Step 2: Convert to fraction form
   152,460/404,680.50 = 404,680.50/x
3. Step 3: Cross multiply
   152,460x = 404,680.50 × 404,680.50
4. Step 4: Simplify right side
   152,460x = 163,766,307,080.25
5. Step 5: Solve for x
   x = 163,766,307,080.25/152,460
6. Step 6: Final answer
   x = 1,074,159.17