Finding the Third Proportional to 210,002,112 and 328,681,152

Step by Step Solution

1. Step 1: Write the proportion equation
   210,002,112 : 328,681,152 = 328,681,152 : x
2. Step 2: Convert to fraction form
   210,002,112/328,681,152 = 328,681,152/x
3. Step 3: Cross multiply
   210,002,112x = 328,681,152 × 328,681,152
4. Step 4: Simplify right side
   210,002,112x = 108,031,299,680,047,104
5. Step 5: Solve for x
   x = 108,031,299,680,047,104/210,002,112
6. Step 6: Final answer
   x = 514,429,586.69