Finding the Third Proportional to 39,126,168 and 85,810,600

Step by Step Solution

1. Step 1: Write the proportion equation
   39,126,168 : 85,810,600 = 85,810,600 : x
2. Step 2: Convert to fraction form
   39,126,168/85,810,600 = 85,810,600/x
3. Step 3: Cross multiply
   39,126,168x = 85,810,600 × 85,810,600
4. Step 4: Simplify right side
   39,126,168x = 7,363,459,072,360,000
5. Step 5: Solve for x
   x = 7,363,459,072,360,000/39,126,168
6. Step 6: Final answer
   x = 188,197,808.49