Finding the Third Proportional to 78,151.08 and 164,435.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,151.08 : 164,435.06 = 164,435.06 : x
2. Step 2: Convert to fraction form
   78,151.08/164,435.06 = 164,435.06/x
3. Step 3: Cross multiply
   78,151.08x = 164,435.06 × 164,435.06
4. Step 4: Simplify right side
   78,151.08x = 27,038,889,779.38
5. Step 5: Solve for x
   x = 27,038,889,779.38/78,151.08
6. Step 6: Final answer
   x = 345,982.30