Finding the Third Proportional to 346,136 and 751,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   346,136 : 751,320.50 = 751,320.50 : x
2. Step 2: Convert to fraction form
   346,136/751,320.50 = 751,320.50/x
3. Step 3: Cross multiply
   346,136x = 751,320.50 × 751,320.50
4. Step 4: Simplify right side
   346,136x = 564,482,493,720.25
5. Step 5: Solve for x
   x = 564,482,493,720.25/346,136
6. Step 6: Final answer
   x = 1,630,811.28