Finding the Third Proportional to 2,780,432 and 4,298,332

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780,432 : 4,298,332 = 4,298,332 : x
2. Step 2: Convert to fraction form
   2,780,432/4,298,332 = 4,298,332/x
3. Step 3: Cross multiply
   2,780,432x = 4,298,332 × 4,298,332
4. Step 4: Simplify right side
   2,780,432x = 18,475,657,982,224
5. Step 5: Solve for x
   x = 18,475,657,982,224/2,780,432
6. Step 6: Final answer
   x = 6,644,887.55