Finding the Third Proportional to 47,352 and 78,910

Step by Step Solution

1. Step 1: Write the proportion equation
   47,352 : 78,910 = 78,910 : x
2. Step 2: Convert to fraction form
   47,352/78,910 = 78,910/x
3. Step 3: Cross multiply
   47,352x = 78,910 × 78,910
4. Step 4: Simplify right side
   47,352x = 6,226,788,100
5. Step 5: Solve for x
   x = 6,226,788,100/47,352
6. Step 6: Final answer
   x = 131,500.00