Finding the Third Proportional to 770,071,927.50 and 1,681,257,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   770,071,927.50 : 1,681,257,802.50 = 1,681,257,802.50 : x
2. Step 2: Convert to fraction form
   770,071,927.50/1,681,257,802.50 = 1,681,257,802.50/x
3. Step 3: Cross multiply
   770,071,927.50x = 1,681,257,802.50 × 1,681,257,802.50
4. Step 4: Simplify right side
   770,071,927.50x = 2,826,627,798,467,128,832
5. Step 5: Solve for x
   x = 2,826,627,798,467,128,832/770,071,927.50
6. Step 6: Final answer
   x = 3,670,602,313.27