Finding the Third Proportional to 1,538,572 and 3,348,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,572 : 3,348,061 = 3,348,061 : x
2. Step 2: Convert to fraction form
   1,538,572/3,348,061 = 3,348,061/x
3. Step 3: Cross multiply
   1,538,572x = 3,348,061 × 3,348,061
4. Step 4: Simplify right side
   1,538,572x = 11,209,512,459,721
5. Step 5: Solve for x
   x = 11,209,512,459,721/1,538,572
6. Step 6: Final answer
   x = 7,285,659.99