Finding the Third Proportional to 187,011 and 385,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,011 : 385,051.50 = 385,051.50 : x
2. Step 2: Convert to fraction form
   187,011/385,051.50 = 385,051.50/x
3. Step 3: Cross multiply
   187,011x = 385,051.50 × 385,051.50
4. Step 4: Simplify right side
   187,011x = 148,264,657,652.25
5. Step 5: Solve for x
   x = 148,264,657,652.25/187,011
6. Step 6: Final answer
   x = 792,812.50