Finding the Third Proportional to 37,985,118 and 77,312,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,985,118 : 77,312,779.50 = 77,312,779.50 : x
2. Step 2: Convert to fraction form
   37,985,118/77,312,779.50 = 77,312,779.50/x
3. Step 3: Cross multiply
   37,985,118x = 77,312,779.50 × 77,312,779.50
4. Step 4: Simplify right side
   37,985,118x = 5,977,265,874,015,620
5. Step 5: Solve for x
   x = 5,977,265,874,015,620/37,985,118
6. Step 6: Final answer
   x = 157,358,096.77