Finding the Third Proportional to 148,410 and 207,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,410 : 207,601.50 = 207,601.50 : x
2. Step 2: Convert to fraction form
   148,410/207,601.50 = 207,601.50/x
3. Step 3: Cross multiply
   148,410x = 207,601.50 × 207,601.50
4. Step 4: Simplify right side
   148,410x = 43,098,382,802.25
5. Step 5: Solve for x
   x = 43,098,382,802.25/148,410
6. Step 6: Final answer
   x = 290,400.80