Finding the Third Proportional to 573,779,102.63 and 1,216,510,510.78

Step by Step Solution

1. Step 1: Write the proportion equation
   573,779,102.63 : 1,216,510,510.78 = 1,216,510,510.78 : x
2. Step 2: Convert to fraction form
   573,779,102.63/1,216,510,510.78 = 1,216,510,510.78/x
3. Step 3: Cross multiply
   573,779,102.63x = 1,216,510,510.78 × 1,216,510,510.78
4. Step 4: Simplify right side
   573,779,102.63x = 1,479,897,822,841,135,872
5. Step 5: Solve for x
   x = 1,479,897,822,841,135,872/573,779,102.63
6. Step 6: Final answer
   x = 2,579,211,783.89