Finding the Third Proportional to 2,134,688 and 4,648,239

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134,688 : 4,648,239 = 4,648,239 : x
2. Step 2: Convert to fraction form
   2,134,688/4,648,239 = 4,648,239/x
3. Step 3: Cross multiply
   2,134,688x = 4,648,239 × 4,648,239
4. Step 4: Simplify right side
   2,134,688x = 21,606,125,801,121
5. Step 5: Solve for x
   x = 21,606,125,801,121/2,134,688
6. Step 6: Final answer
   x = 10,121,444.35