Finding the Third Proportional to 156,111 and 335,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,111 : 335,902.50 = 335,902.50 : x
2. Step 2: Convert to fraction form
   156,111/335,902.50 = 335,902.50/x
3. Step 3: Cross multiply
   156,111x = 335,902.50 × 335,902.50
4. Step 4: Simplify right side
   156,111x = 112,830,489,506.25
5. Step 5: Solve for x
   x = 112,830,489,506.25/156,111
6. Step 6: Final answer
   x = 722,758.10