Finding the Third Proportional to 2,164,700 and 4,698,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,700 : 4,698,272 = 4,698,272 : x
2. Step 2: Convert to fraction form
   2,164,700/4,698,272 = 4,698,272/x
3. Step 3: Cross multiply
   2,164,700x = 4,698,272 × 4,698,272
4. Step 4: Simplify right side
   2,164,700x = 22,073,759,785,984
5. Step 5: Solve for x
   x = 22,073,759,785,984/2,164,700
6. Step 6: Final answer
   x = 10,197,145.00