Finding the Third Proportional to 19,672,931,004 and 42,486,958,200

Step by Step Solution

1. Step 1: Write the proportion equation
   19,672,931,004 : 42,486,958,200 = 42,486,958,200 : x
2. Step 2: Convert to fraction form
   19,672,931,004/42,486,958,200 = 42,486,958,200/x
3. Step 3: Cross multiply
   19,672,931,004x = 42,486,958,200 × 42,486,958,200
4. Step 4: Simplify right side
   19,672,931,004x = 1,805,141,617,088,547,258,368
5. Step 5: Solve for x
   x = 1,805,141,617,088,547,258,368/19,672,931,004
6. Step 6: Final answer
   x = 91,757,634,727.71