Finding the Third Proportional to 2,139,346 and 4,698,536

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,346 : 4,698,536 = 4,698,536 : x
2. Step 2: Convert to fraction form
   2,139,346/4,698,536 = 4,698,536/x
3. Step 3: Cross multiply
   2,139,346x = 4,698,536 × 4,698,536
4. Step 4: Simplify right side
   2,139,346x = 22,076,240,543,296
5. Step 5: Solve for x
   x = 22,076,240,543,296/2,139,346
6. Step 6: Final answer
   x = 10,319,153.86