Finding the Third Proportional to 3,103,862 and 4,788,643

Step by Step Solution

1. Step 1: Write the proportion equation
   3,103,862 : 4,788,643 = 4,788,643 : x
2. Step 2: Convert to fraction form
   3,103,862/4,788,643 = 4,788,643/x
3. Step 3: Cross multiply
   3,103,862x = 4,788,643 × 4,788,643
4. Step 4: Simplify right side
   3,103,862x = 22,931,101,781,449
5. Step 5: Solve for x
   x = 22,931,101,781,449/3,103,862
6. Step 6: Final answer
   x = 7,387,925.68