Finding the Third Proportional to 3,899,020 and 8,694,528

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899,020 : 8,694,528 = 8,694,528 : x
2. Step 2: Convert to fraction form
   3,899,020/8,694,528 = 8,694,528/x
3. Step 3: Cross multiply
   3,899,020x = 8,694,528 × 8,694,528
4. Step 4: Simplify right side
   3,899,020x = 75,594,817,142,784
5. Step 5: Solve for x
   x = 75,594,817,142,784/3,899,020
6. Step 6: Final answer
   x = 19,388,158.34