Finding the Third Proportional to 1,572,415 and 3,439,258

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,415 : 3,439,258 = 3,439,258 : x
2. Step 2: Convert to fraction form
   1,572,415/3,439,258 = 3,439,258/x
3. Step 3: Cross multiply
   1,572,415x = 3,439,258 × 3,439,258
4. Step 4: Simplify right side
   1,572,415x = 11,828,495,590,564
5. Step 5: Solve for x
   x = 11,828,495,590,564/1,572,415
6. Step 6: Final answer
   x = 7,522,502.39