Finding the Third Proportional to 511,095,390 and 1,111,739,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   511,095,390 : 1,111,739,965.50 = 1,111,739,965.50 : x
2. Step 2: Convert to fraction form
   511,095,390/1,111,739,965.50 = 1,111,739,965.50/x
3. Step 3: Cross multiply
   511,095,390x = 1,111,739,965.50 × 1,111,739,965.50
4. Step 4: Simplify right side
   511,095,390x = 1,235,965,750,889,941,248
5. Step 5: Solve for x
   x = 1,235,965,750,889,941,248/511,095,390
6. Step 6: Final answer
   x = 2,418,268,243.21