Finding the Third Proportional to 721,974,111.50 and 1,582,355,390

Step by Step Solution

1. Step 1: Write the proportion equation
   721,974,111.50 : 1,582,355,390 = 1,582,355,390 : x
2. Step 2: Convert to fraction form
   721,974,111.50/1,582,355,390 = 1,582,355,390/x
3. Step 3: Cross multiply
   721,974,111.50x = 1,582,355,390 × 1,582,355,390
4. Step 4: Simplify right side
   721,974,111.50x = 2,503,848,580,262,052,352
5. Step 5: Solve for x
   x = 2,503,848,580,262,052,352/721,974,111.50
6. Step 6: Final answer
   x = 3,468,058,674.65