Finding the Third Proportional to 362,002.50 and 780,111

Step by Step Solution

1. Step 1: Write the proportion equation
   362,002.50 : 780,111 = 780,111 : x
2. Step 2: Convert to fraction form
   362,002.50/780,111 = 780,111/x
3. Step 3: Cross multiply
   362,002.50x = 780,111 × 780,111
4. Step 4: Simplify right side
   362,002.50x = 608,573,172,321
5. Step 5: Solve for x
   x = 608,573,172,321/362,002.50
6. Step 6: Final answer
   x = 1,681,129.75