Finding the Third Proportional to 2,912,320 and 4,558,632

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,320 : 4,558,632 = 4,558,632 : x
2. Step 2: Convert to fraction form
   2,912,320/4,558,632 = 4,558,632/x
3. Step 3: Cross multiply
   2,912,320x = 4,558,632 × 4,558,632
4. Step 4: Simplify right side
   2,912,320x = 20,781,125,711,424
5. Step 5: Solve for x
   x = 20,781,125,711,424/2,912,320
6. Step 6: Final answer
   x = 7,135,591.46