Finding the Third Proportional to 152,691 and 230,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,691 : 230,710.50 = 230,710.50 : x
2. Step 2: Convert to fraction form
   152,691/230,710.50 = 230,710.50/x
3. Step 3: Cross multiply
   152,691x = 230,710.50 × 230,710.50
4. Step 4: Simplify right side
   152,691x = 53,227,334,810.25
5. Step 5: Solve for x
   x = 53,227,334,810.25/152,691
6. Step 6: Final answer
   x = 348,595.10