Finding the Third Proportional to 662,407 and 1,429,729.50

Step by Step Solution

1. Step 1: Write the proportion equation
   662,407 : 1,429,729.50 = 1,429,729.50 : x
2. Step 2: Convert to fraction form
   662,407/1,429,729.50 = 1,429,729.50/x
3. Step 3: Cross multiply
   662,407x = 1,429,729.50 × 1,429,729.50
4. Step 4: Simplify right side
   662,407x = 2,044,126,443,170.25
5. Step 5: Solve for x
   x = 2,044,126,443,170.25/662,407
6. Step 6: Final answer
   x = 3,085,907.07