Finding the Third Proportional to 1,105,666.50 and 1,621,746

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,666.50 : 1,621,746 = 1,621,746 : x
2. Step 2: Convert to fraction form
   1,105,666.50/1,621,746 = 1,621,746/x
3. Step 3: Cross multiply
   1,105,666.50x = 1,621,746 × 1,621,746
4. Step 4: Simplify right side
   1,105,666.50x = 2,630,060,088,516
5. Step 5: Solve for x
   x = 2,630,060,088,516/1,105,666.50
6. Step 6: Final answer
   x = 2,378,710.12