Finding the Third Proportional to 397,077 and 607,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   397,077 : 607,528.50 = 607,528.50 : x
2. Step 2: Convert to fraction form
   397,077/607,528.50 = 607,528.50/x
3. Step 3: Cross multiply
   397,077x = 607,528.50 × 607,528.50
4. Step 4: Simplify right side
   397,077x = 369,090,878,312.25
5. Step 5: Solve for x
   x = 369,090,878,312.25/397,077
6. Step 6: Final answer
   x = 929,519.66