Finding the Third Proportional to 402,293.50 and 607,541

Step by Step Solution

1. Step 1: Write the proportion equation
   402,293.50 : 607,541 = 607,541 : x
2. Step 2: Convert to fraction form
   402,293.50/607,541 = 607,541/x
3. Step 3: Cross multiply
   402,293.50x = 607,541 × 607,541
4. Step 4: Simplify right side
   402,293.50x = 369,106,066,681
5. Step 5: Solve for x
   x = 369,106,066,681/402,293.50
6. Step 6: Final answer
   x = 917,504.43