Finding the Third Proportional to 8,247,120 and 12,123,528

Step by Step Solution

1. Step 1: Write the proportion equation
   8,247,120 : 12,123,528 = 12,123,528 : x
2. Step 2: Convert to fraction form
   8,247,120/12,123,528 = 12,123,528/x
3. Step 3: Cross multiply
   8,247,120x = 12,123,528 × 12,123,528
4. Step 4: Simplify right side
   8,247,120x = 146,979,931,166,784
5. Step 5: Solve for x
   x = 146,979,931,166,784/8,247,120
6. Step 6: Final answer
   x = 17,821,970.72