Finding the Third Proportional to 5,152,521 and 12,123,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,152,521 : 12,123,670.50 = 12,123,670.50 : x
2. Step 2: Convert to fraction form
   5,152,521/12,123,670.50 = 12,123,670.50/x
3. Step 3: Cross multiply
   5,152,521x = 12,123,670.50 × 12,123,670.50
4. Step 4: Simplify right side
   5,152,521x = 146,983,386,392,570.25
5. Step 5: Solve for x
   x = 146,983,386,392,570.25/5,152,521
6. Step 6: Final answer
   x = 28,526,499.24