Finding the Third Proportional to 202,122 and 336,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   202,122 : 336,847.50 = 336,847.50 : x
2. Step 2: Convert to fraction form
   202,122/336,847.50 = 336,847.50/x
3. Step 3: Cross multiply
   202,122x = 336,847.50 × 336,847.50
4. Step 4: Simplify right side
   202,122x = 113,466,238,256.25
5. Step 5: Solve for x
   x = 113,466,238,256.25/202,122
6. Step 6: Final answer
   x = 561,375.00