Finding the Third Proportional to 1,822,215,129 and 2,721,381,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,215,129 : 2,721,381,877.50 = 2,721,381,877.50 : x
2. Step 2: Convert to fraction form
   1,822,215,129/2,721,381,877.50 = 2,721,381,877.50/x
3. Step 3: Cross multiply
   1,822,215,129x = 2,721,381,877.50 × 2,721,381,877.50
4. Step 4: Simplify right side
   1,822,215,129x = 7,405,919,323,185,425,408
5. Step 5: Solve for x
   x = 7,405,919,323,185,425,408/1,822,215,129
6. Step 6: Final answer
   x = 4,064,239,839.37