Finding the Third Proportional to 747,688.50 and 1,175,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   747,688.50 : 1,175,100.75 = 1,175,100.75 : x
2. Step 2: Convert to fraction form
   747,688.50/1,175,100.75 = 1,175,100.75/x
3. Step 3: Cross multiply
   747,688.50x = 1,175,100.75 × 1,175,100.75
4. Step 4: Simplify right side
   747,688.50x = 1,380,861,772,650.56
5. Step 5: Solve for x
   x = 1,380,861,772,650.56/747,688.50
6. Step 6: Final answer
   x = 1,846,840.99