Finding the Third Proportional to 304,470 and 432,751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   304,470 : 432,751.50 = 432,751.50 : x
2. Step 2: Convert to fraction form
   304,470/432,751.50 = 432,751.50/x
3. Step 3: Cross multiply
   304,470x = 432,751.50 × 432,751.50
4. Step 4: Simplify right side
   304,470x = 187,273,860,752.25
5. Step 5: Solve for x
   x = 187,273,860,752.25/304,470
6. Step 6: Final answer
   x = 615,081.49