Finding the Third Proportional to 247,152 and 369,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   247,152 : 369,877.50 = 369,877.50 : x
2. Step 2: Convert to fraction form
   247,152/369,877.50 = 369,877.50/x
3. Step 3: Cross multiply
   247,152x = 369,877.50 × 369,877.50
4. Step 4: Simplify right side
   247,152x = 136,809,365,006.25
5. Step 5: Solve for x
   x = 136,809,365,006.25/247,152
6. Step 6: Final answer
   x = 553,543.43