Finding the Third Proportional to 464,700 and 688,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   464,700 : 688,414.50 = 688,414.50 : x
2. Step 2: Convert to fraction form
   464,700/688,414.50 = 688,414.50/x
3. Step 3: Cross multiply
   464,700x = 688,414.50 × 688,414.50
4. Step 4: Simplify right side
   464,700x = 473,914,523,810.25
5. Step 5: Solve for x
   x = 473,914,523,810.25/464,700
6. Step 6: Final answer
   x = 1,019,828.97