Finding the Third Proportional to 667,803 and 1,485,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   667,803 : 1,485,109.50 = 1,485,109.50 : x
2. Step 2: Convert to fraction form
   667,803/1,485,109.50 = 1,485,109.50/x
3. Step 3: Cross multiply
   667,803x = 1,485,109.50 × 1,485,109.50
4. Step 4: Simplify right side
   667,803x = 2,205,550,226,990.25
5. Step 5: Solve for x
   x = 2,205,550,226,990.25/667,803
6. Step 6: Final answer
   x = 3,302,695.90