Finding the Third Proportional to 724,189 and 1,095,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   724,189 : 1,095,602.50 = 1,095,602.50 : x
2. Step 2: Convert to fraction form
   724,189/1,095,602.50 = 1,095,602.50/x
3. Step 3: Cross multiply
   724,189x = 1,095,602.50 × 1,095,602.50
4. Step 4: Simplify right side
   724,189x = 1,200,344,838,006.25
5. Step 5: Solve for x
   x = 1,200,344,838,006.25/724,189
6. Step 6: Final answer
   x = 1,657,502.17