Finding the Third Proportional to 657,982 and 991,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   657,982 : 991,837.50 = 991,837.50 : x
2. Step 2: Convert to fraction form
   657,982/991,837.50 = 991,837.50/x
3. Step 3: Cross multiply
   657,982x = 991,837.50 × 991,837.50
4. Step 4: Simplify right side
   657,982x = 983,741,626,406.25
5. Step 5: Solve for x
   x = 983,741,626,406.25/657,982
6. Step 6: Final answer
   x = 1,495,088.96