Finding the Third Proportional to 698,878,886.25 and 1,552,898,938.50

Step by Step Solution

1. Step 1: Write the proportion equation
   698,878,886.25 : 1,552,898,938.50 = 1,552,898,938.50 : x
2. Step 2: Convert to fraction form
   698,878,886.25/1,552,898,938.50 = 1,552,898,938.50/x
3. Step 3: Cross multiply
   698,878,886.25x = 1,552,898,938.50 × 1,552,898,938.50
4. Step 4: Simplify right side
   698,878,886.25x = 2,411,495,113,194,426,880
5. Step 5: Solve for x
   x = 2,411,495,113,194,426,880/698,878,886.25
6. Step 6: Final answer
   x = 3,450,519,339.82