Finding the Third Proportional to 8,538,752 and 13,207,140

Step by Step Solution

1. Step 1: Write the proportion equation
   8,538,752 : 13,207,140 = 13,207,140 : x
2. Step 2: Convert to fraction form
   8,538,752/13,207,140 = 13,207,140/x
3. Step 3: Cross multiply
   8,538,752x = 13,207,140 × 13,207,140
4. Step 4: Simplify right side
   8,538,752x = 174,428,546,979,600
5. Step 5: Solve for x
   x = 174,428,546,979,600/8,538,752
6. Step 6: Final answer
   x = 20,427,873.65