Finding the Third Proportional to 867,386,956.50 and 1,321,408,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   867,386,956.50 : 1,321,408,066.50 = 1,321,408,066.50 : x
2. Step 2: Convert to fraction form
   867,386,956.50/1,321,408,066.50 = 1,321,408,066.50/x
3. Step 3: Cross multiply
   867,386,956.50x = 1,321,408,066.50 × 1,321,408,066.50
4. Step 4: Simplify right side
   867,386,956.50x = 1,746,119,278,211,268,352
5. Step 5: Solve for x
   x = 1,746,119,278,211,268,352/867,386,956.50
6. Step 6: Final answer
   x = 2,013,079,935.23