Finding the Third Proportional to 577,467 and 898,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   577,467 : 898,837.50 = 898,837.50 : x
2. Step 2: Convert to fraction form
   577,467/898,837.50 = 898,837.50/x
3. Step 3: Cross multiply
   577,467x = 898,837.50 × 898,837.50
4. Step 4: Simplify right side
   577,467x = 807,908,851,406.25
5. Step 5: Solve for x
   x = 807,908,851,406.25/577,467
6. Step 6: Final answer
   x = 1,399,056.31