Finding the Third Proportional to 4,191,964 and 8,538,076

Step by Step Solution

1. Step 1: Write the proportion equation
   4,191,964 : 8,538,076 = 8,538,076 : x
2. Step 2: Convert to fraction form
   4,191,964/8,538,076 = 8,538,076/x
3. Step 3: Cross multiply
   4,191,964x = 8,538,076 × 8,538,076
4. Step 4: Simplify right side
   4,191,964x = 72,898,741,781,776
5. Step 5: Solve for x
   x = 72,898,741,781,776/4,191,964
6. Step 6: Final answer
   x = 17,390,116.37