Finding the Third Proportional to 297,643 and 702,482.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,643 : 702,482.50 = 702,482.50 : x
2. Step 2: Convert to fraction form
   297,643/702,482.50 = 702,482.50/x
3. Step 3: Cross multiply
   297,643x = 702,482.50 × 702,482.50
4. Step 4: Simplify right side
   297,643x = 493,481,662,806.25
5. Step 5: Solve for x
   x = 493,481,662,806.25/297,643
6. Step 6: Final answer
   x = 1,657,964.95