Finding the Third Proportional to 157,656.50 and 345,973

Step by Step Solution

1. Step 1: Write the proportion equation
   157,656.50 : 345,973 = 345,973 : x
2. Step 2: Convert to fraction form
   157,656.50/345,973 = 345,973/x
3. Step 3: Cross multiply
   157,656.50x = 345,973 × 345,973
4. Step 4: Simplify right side
   157,656.50x = 119,697,316,729
5. Step 5: Solve for x
   x = 119,697,316,729/157,656.50
6. Step 6: Final answer
   x = 759,228.56