Finding the Third Proportional to 453,964 and 702,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,964 : 702,478.50 = 702,478.50 : x
2. Step 2: Convert to fraction form
   453,964/702,478.50 = 702,478.50/x
3. Step 3: Cross multiply
   453,964x = 702,478.50 × 702,478.50
4. Step 4: Simplify right side
   453,964x = 493,476,042,962.25
5. Step 5: Solve for x
   x = 493,476,042,962.25/453,964
6. Step 6: Final answer
   x = 1,087,037.83