Finding the Third Proportional to 69,756,981 and 162,931,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,756,981 : 162,931,993.50 = 162,931,993.50 : x
2. Step 2: Convert to fraction form
   69,756,981/162,931,993.50 = 162,931,993.50/x
3. Step 3: Cross multiply
   69,756,981x = 162,931,993.50 × 162,931,993.50
4. Step 4: Simplify right side
   69,756,981x = 26,546,834,505,884,044
5. Step 5: Solve for x
   x = 26,546,834,505,884,044/69,756,981
6. Step 6: Final answer
   x = 380,561,688.96