Finding the Third Proportional to 737,688 and 1,618,224

Step by Step Solution

1. Step 1: Write the proportion equation
   737,688 : 1,618,224 = 1,618,224 : x
2. Step 2: Convert to fraction form
   737,688/1,618,224 = 1,618,224/x
3. Step 3: Cross multiply
   737,688x = 1,618,224 × 1,618,224
4. Step 4: Simplify right side
   737,688x = 2,618,648,914,176
5. Step 5: Solve for x
   x = 2,618,648,914,176/737,688
6. Step 6: Final answer
   x = 3,549,805.49