Finding the Third Proportional to 607,122 and 891,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   607,122 : 891,013.50 = 891,013.50 : x
2. Step 2: Convert to fraction form
   607,122/891,013.50 = 891,013.50/x
3. Step 3: Cross multiply
   607,122x = 891,013.50 × 891,013.50
4. Step 4: Simplify right side
   607,122x = 793,905,057,182.25
5. Step 5: Solve for x
   x = 793,905,057,182.25/607,122
6. Step 6: Final answer
   x = 1,307,653.25