Finding the Third Proportional to 8,870,156 and 12,358,362

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870,156 : 12,358,362 = 12,358,362 : x
2. Step 2: Convert to fraction form
   8,870,156/12,358,362 = 12,358,362/x
3. Step 3: Cross multiply
   8,870,156x = 12,358,362 × 12,358,362
4. Step 4: Simplify right side
   8,870,156x = 152,729,111,323,044
5. Step 5: Solve for x
   x = 152,729,111,323,044/8,870,156
6. Step 6: Final answer
   x = 17,218,311.75