Finding the Third Proportional to 148,925,526,805 and 208,971,995,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,925,526,805 : 208,971,995,365.50 = 208,971,995,365.50 : x
2. Step 2: Convert to fraction form
   148,925,526,805/208,971,995,365.50 = 208,971,995,365.50/x
3. Step 3: Cross multiply
   148,925,526,805x = 208,971,995,365.50 × 208,971,995,365.50
4. Step 4: Simplify right side
   148,925,526,805x = 43,669,294,847,038,557,519,872
5. Step 5: Solve for x
   x = 43,669,294,847,038,557,519,872/148,925,526,805
6. Step 6: Final answer
   x = 293,229,077,538.99