Finding the Third Proportional to 8,166,558 and 12,535,342

Step by Step Solution

1. Step 1: Write the proportion equation
   8,166,558 : 12,535,342 = 12,535,342 : x
2. Step 2: Convert to fraction form
   8,166,558/12,535,342 = 12,535,342/x
3. Step 3: Cross multiply
   8,166,558x = 12,535,342 × 12,535,342
4. Step 4: Simplify right side
   8,166,558x = 157,134,799,056,964
5. Step 5: Solve for x
   x = 157,134,799,056,964/8,166,558
6. Step 6: Final answer
   x = 19,241,251.83