Finding the Third Proportional to 9,778,882 and 21,260,298

Step by Step Solution

1. Step 1: Write the proportion equation
   9,778,882 : 21,260,298 = 21,260,298 : x
2. Step 2: Convert to fraction form
   9,778,882/21,260,298 = 21,260,298/x
3. Step 3: Cross multiply
   9,778,882x = 21,260,298 × 21,260,298
4. Step 4: Simplify right side
   9,778,882x = 452,000,271,048,804
5. Step 5: Solve for x
   x = 452,000,271,048,804/9,778,882
6. Step 6: Final answer
   x = 46,222,080.50