Finding the Third Proportional to 452,655 and 680,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   452,655 : 680,116.50 = 680,116.50 : x
2. Step 2: Convert to fraction form
   452,655/680,116.50 = 680,116.50/x
3. Step 3: Cross multiply
   452,655x = 680,116.50 × 680,116.50
4. Step 4: Simplify right side
   452,655x = 462,558,453,572.25
5. Step 5: Solve for x
   x = 462,558,453,572.25/452,655
6. Step 6: Final answer
   x = 1,021,878.59