Finding the Third Proportional to 607,081 and 890,938.50

Step by Step Solution

1. Step 1: Write the proportion equation
   607,081 : 890,938.50 = 890,938.50 : x
2. Step 2: Convert to fraction form
   607,081/890,938.50 = 890,938.50/x
3. Step 3: Cross multiply
   607,081x = 890,938.50 × 890,938.50
4. Step 4: Simplify right side
   607,081x = 793,771,410,782.25
5. Step 5: Solve for x
   x = 793,771,410,782.25/607,081
6. Step 6: Final answer
   x = 1,307,521.42