Finding the Third Proportional to 63,312 and 147,910

Step by Step Solution

1. Step 1: Write the proportion equation
   63,312 : 147,910 = 147,910 : x
2. Step 2: Convert to fraction form
   63,312/147,910 = 147,910/x
3. Step 3: Cross multiply
   63,312x = 147,910 × 147,910
4. Step 4: Simplify right side
   63,312x = 21,877,368,100
5. Step 5: Solve for x
   x = 21,877,368,100/63,312
6. Step 6: Final answer
   x = 345,548.52