Finding the Third Proportional to 693,942.50 and 1,035,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   693,942.50 : 1,035,156.50 = 1,035,156.50 : x
2. Step 2: Convert to fraction form
   693,942.50/1,035,156.50 = 1,035,156.50/x
3. Step 3: Cross multiply
   693,942.50x = 1,035,156.50 × 1,035,156.50
4. Step 4: Simplify right side
   693,942.50x = 1,071,548,979,492.25
5. Step 5: Solve for x
   x = 1,071,548,979,492.25/693,942.50
6. Step 6: Final answer
   x = 1,544,146.64