Finding the Third Proportional to 2,139,342 and 4,698,528

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,342 : 4,698,528 = 4,698,528 : x
2. Step 2: Convert to fraction form
   2,139,342/4,698,528 = 4,698,528/x
3. Step 3: Cross multiply
   2,139,342x = 4,698,528 × 4,698,528
4. Step 4: Simplify right side
   2,139,342x = 22,076,165,366,784
5. Step 5: Solve for x
   x = 22,076,165,366,784/2,139,342
6. Step 6: Final answer
   x = 10,319,138.02