Finding the Third Proportional to 1,348,128 and 2,934,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348,128 : 2,934,312 = 2,934,312 : x
2. Step 2: Convert to fraction form
   1,348,128/2,934,312 = 2,934,312/x
3. Step 3: Cross multiply
   1,348,128x = 2,934,312 × 2,934,312
4. Step 4: Simplify right side
   1,348,128x = 8,610,186,913,344
5. Step 5: Solve for x
   x = 8,610,186,913,344/1,348,128
6. Step 6: Final answer
   x = 6,386,772.56